{"id":3162,"date":"2026-07-08T15:17:13","date_gmt":"2026-07-08T13:17:13","guid":{"rendered":"https:\/\/www.efsfasteners.com\/services\/mechanical-reworking\/"},"modified":"2026-07-17T15:38:02","modified_gmt":"2026-07-17T13:38:02","slug":"mechanical-reworking","status":"publish","type":"page","link":"https:\/\/www.efsfasteners.com\/en\/services\/mechanical-reworking\/","title":{"rendered":"Mechanical Reworking"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--link_hover_color: var(--awb-color6);--link_color: var(--awb-color1);--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:40px;--awb-padding-bottom:40px;--awb-background-image:linear-gradient(180deg, var(--awb-color5) 0%,var(--awb-color3) 100%);--awb-flex-wrap:wrap;\" ><div class=\"awb-background-mask\" style=\"background-image:  url(https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/03\/EFS_mask_1w.svg);opacity: 1 ;transform: scale(1, 1);mix-blend-mode:normal;\"><\/div><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-center fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-center fusion-title-text fusion-title-size-one\" style=\"--awb-text-color:var(--awb-color1);\"><h1 class=\"fusion-title-heading title-heading-center fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.5;\">Mechanical Reworking Operations on Fastening Systems<\/h1><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:5.76%;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:5.76%;--awb-spacing-left-medium:5.76%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"text-align:center;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\"><img decoding=\"async\" width=\"800\" height=\"600\" title=\"efs-rilavorazioni-meccaniche\" src=\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2026\/07\/efs-rilavorazioni-meccaniche.png\" alt class=\"img-responsive wp-image-3196\" srcset=\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2026\/07\/efs-rilavorazioni-meccaniche-200x150.png 200w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2026\/07\/efs-rilavorazioni-meccaniche-400x300.png 400w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2026\/07\/efs-rilavorazioni-meccaniche-600x450.png 600w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2026\/07\/efs-rilavorazioni-meccaniche.png 800w\" sizes=\"(max-width: 640px) 100vw, 400px\" \/><\/span><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-section-separator section-separator triangle fusion-section-separator-1\" style=\"--awb-border-bottom:1px solid var(--awb-color3);--awb-spacer-height:1px;--awb-svg-margin-left:1.92%;--awb-svg-margin-right:1.92%;--awb-svg-margin-left-medium:1.92%;--awb-svg-margin-right-medium:1.92%;--awb-svg-margin-left-small:1.92%;--awb-svg-margin-right-small:1.92%;--awb-icon-color:var(--awb-color1);\"><div class=\"fusion-section-separator-svg\"><div class=\"divider-candy-arrow bottom\" style=\"top:0px;border-top-color: var(--awb-color3);\"><\/div><div class=\"divider-candy bottom\" style=\"bottom:-21px;border-bottom:1px solid var(--awb-color3);border-left:1px solid var(--awb-color3);\"><\/div><\/div><div class=\"fusion-section-separator-spacer\"><div class=\"fusion-section-separator-spacer-height\"><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-3 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:60px;--awb-padding-bottom:60px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><p>Mechanical reworking operations make it possible to adapt standard components or semi-finished parts to specific technical requirements, transforming them into customized fastening systems. In the industrial sector, a screw, nut, stud bolt, threaded stud or threaded component may require dimensional modifications, drilling, secondary machining, milling, grinding or thread correction. EFS coordinates dedicated machining operations for supplies of special fasteners and industrial fastening components, with the objective of responding to technical requirements not covered by standard products.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-2 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:var(--awb-color4);\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:26;line-height:1.5;\">Machining Operations for Customized Components<\/h2><\/div><div class=\"fusion-text fusion-text-2\"><p>Through specific machining operations, it is possible to obtain components that are more consistent with the technical drawing, the final application or the assembly conditions. Reworking operations can be performed on raw components, semi-finished parts or standard items to be modified. This approach makes it possible to reduce lead times compared to fully special production, while still maintaining a high level of customization. EFS assesses the feasibility of the operation based on the component, material, required tolerances, volumes and intended use.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-3 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-text-color:var(--awb-color5);\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:22;--minFontSize:22;line-height:1.5;\">Turning<\/h3><\/div><div class=\"fusion-text fusion-text-3\"><p>Turning is a material removal process used to precisely modify the geometry of screws, pins, stud bolts, threaded studs and other fastening elements. It can be used to create diameters, grooves, chamfers, shoulders or dedicated seats. In. In fasteners, it is often required to rework the under-head area of forged screws, in order to ensure correct matching with machined seats and compliance with the dimensional tolerances specified by the project.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-6 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"text-align:center;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-2 hover-type-none\"><img decoding=\"async\" width=\"800\" height=\"600\" title=\"efs-stampaggio-tornitura-rullatura\" src=\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2026\/07\/efs-stampaggio-tornitura-rullatura.png\" alt class=\"img-responsive wp-image-3250\" srcset=\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2026\/07\/efs-stampaggio-tornitura-rullatura-200x150.png 200w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2026\/07\/efs-stampaggio-tornitura-rullatura-400x300.png 400w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2026\/07\/efs-stampaggio-tornitura-rullatura-600x450.png 600w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2026\/07\/efs-stampaggio-tornitura-rullatura.png 800w\" sizes=\"(max-width: 640px) 100vw, 600px\" \/><\/span><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-7 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-4 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-text-color:var(--awb-color5);\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:22;--minFontSize:22;line-height:1.5;\">Grinding<\/h3><\/div><div class=\"fusion-text fusion-text-4\"><p>Grinding is used when particularly tight dimensional tolerances or high-precision surface finishes are required. It is an operation used on pins, dowel pins and other fastening components intended for precision fits, where compliance with dimensions and geometry is essential to ensure correct assembly and proper functioning of the assembly.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-8 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-5 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-text-color:var(--awb-color5);\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:22;--minFontSize:22;line-height:1.5;\">Drilling<\/h3><\/div><div class=\"fusion-text fusion-text-5\"><p>Drilling makes it possible to create through holes, blind holes or dedicated holes on fastening components. It may be required for assembly, safety, lightening, lubrication, insertion of dowel pins, locking systems or other specific applications.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-9 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-6 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-text-color:var(--awb-color5);\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:22;--minFontSize:22;line-height:1.5;\">Secondary Machining Operations<\/h3><\/div><div class=\"fusion-text fusion-text-6\"><p>Secondary machining operations include corrective interventions or targeted modifications on existing components. They may involve the correction of dimensions, the adaptation of geometries, the finishing of ends, the modification of surfaces or other operations required to make the component compliant with the technical request.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-10 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-7 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-text-color:var(--awb-color5);\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:22;--minFontSize:22;line-height:1.5;\">Milling<\/h3><\/div><div class=\"fusion-text fusion-text-7\"><p>Milling makes it possible to create surfaces and geometries that cannot be obtained through turning operations alone. In fasteners, it is frequently used to produce milled heads, slots, bearing surfaces or other operations specified by the technical drawing. Milled heads are used in applications where it is necessary to reduce overall dimensions or obtain a precise fit with the component seat.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-11 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-8 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-text-color:var(--awb-color5);\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:22;--minFontSize:22;line-height:1.5;\">Oversizing and Undersizing<\/h3><\/div><div class=\"fusion-text fusion-text-8\"><p>Oversizing and undersizing operations mainly concern the adaptation of component diameters to the needs of the application. These reworking operations are carried out when specific fits need to be obtained, assembly tolerances need to be compensated for, or fasteners need to be adapted to seats and components with non-standard dimensions, in compliance with project specifications.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-12 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-9 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-text-color:var(--awb-color5);\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:22;--minFontSize:22;line-height:1.5;\">Thread Chasing<\/h3><\/div><div class=\"fusion-text fusion-text-9\"><p>Thread chasing is used to optimize, correct or restore the thread of a component. It is an important operation when the thread must ensure correct fit, improved surface cleanliness or better functionality during assembly.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-13 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-10 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-text-color:var(--awb-color5);\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:22;--minFontSize:22;line-height:1.5;\">Reworking Operations Based on Technical Drawings<\/h3><\/div><div class=\"fusion-text fusion-text-10\"><p>Mechanical reworking operations can be carried out based on a technical drawing, customer specification or sample. EFS analyzes the request and coordinates the most suitable operation according to the material, geometry, quantity and specified tolerances. This service is particularly useful for companies that require modified components, small series, special items or fastening systems not available in catalogues.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-14 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-11 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:var(--awb-color4);\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:26;line-height:1.5;\">Request a Mechanical Reworking Operation<\/h2><\/div><div class=\"fusion-text fusion-text-11\"><p>EFS supports the supply of fastening components reworked according to technical requirements. To assess the feasibility of the operation, technical drawings, dimensional specifications, photographs of the component or information on the final application can be provided.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-4 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:80px;--awb-padding-bottom:80px;--awb-background-image:linear-gradient(180deg, var(--awb-color4) 0%,var(--awb-color5) 100%);--awb-flex-wrap:wrap;\" ><div class=\"awb-background-mask\" style=\"background-image:  url(https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/03\/EFS_mask_1w.svg);opacity: 0.5 ;transform: scale(-1, 1);mix-blend-mode:normal;\"><\/div><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-center fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-15 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:2.88%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-margin-bottom-medium:20px;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-12 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-text-color:var(--awb-color1);--awb-margin-bottom:20px;--awb-margin-bottom-small:0px;--awb-font-size:40px;\"><h3 class=\"fusion-title-heading title-heading-left md-text-align-center sm-text-align-center fusion-responsive-typography-calculated\" style=\"margin:0;font-size:1em;--fontSize:40;line-height:1.5;\">NEED A PARTNER FOR SPECIAL BOLTS?<\/h3><\/div><div class=\"fusion-text fusion-text-12\" style=\"--awb-text-color:var(--awb-color1);\"><p data-start=\"2917\" data-end=\"3084\">We supply custom-designed fasteners for critical applications \u2014 with certified quality, full traceability, and technical support.<br data-start=\"517\" data-end=\"520\" \/>Fill out the contact form or call us: our team is ready to assist you with tailored solutions.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-16 fusion_builder_column_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:5.76%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"md-text-align-center sm-text-align-center\"><a class=\"fusion-button button-flat button-xlarge button-custom fusion-button-default button-1 fusion-button-default-span fusion-button-default-type\" style=\"--button_accent_color:var(--awb-color1);--button_accent_hover_color:var(--awb-color1);--button_border_hover_color:var(--awb-color6);--button_border_width-top:4px;--button_border_width-right:4px;--button_border_width-bottom:4px;--button_border_width-left:4px;--button_gradient_top_color:rgba(127,135,144,0);--button_gradient_bottom_color:rgba(127,135,144,0);--button_gradient_top_color_hover:var(--awb-color6);--button_gradient_bottom_color_hover:var(--awb-color6);\" target=\"_self\" href=\"https:\/\/www.efsfasteners.com\/en\/contacts\/\"><span class=\"fusion-button-text\">CONTACT US<\/span><\/a><\/div><\/div><\/div><\/div><\/div>\n<div id=\"headerpaginaprove\" class=\"fusion-container-anchor\"><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-5 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:60px;--awb-padding-bottom:60px;--awb-background-color:var(--awb-color2);--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-17 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-13 fusion-sep-none fusion-title-center fusion-title-text fusion-title-size-three\" style=\"--awb-text-color:var(--awb-color4);\"><h3 class=\"fusion-title-heading title-heading-center fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:uppercase;--fontSize:22;--minFontSize:22;line-height:1.5;\">PRODUCTS APPLIED TO INDUSTRY<\/h3><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-18 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-recent-works fusion-portfolio-element fusion-portfolio fusion-portfolio-1 fusion-portfolio-carousel fusion-portfolio-paging-pagination recent-works-carousel portfolio-carousel picture-size-auto fusion-portfolio-rollover\" data-id=\"-rw-1\"><div class=\"awb-carousel awb-swiper awb-swiper-carousel fusion-carousel-title-below-image\" style=\"--awb-columns:4;\" data-metacontent=\"yes\" data-autoplay=\"no\" data-columns=\"4\" data-itemmargin=\"10\" data-itemwidth=\"180\" data-touchscroll=\"no\" data-imagesize=\"auto\" data-scrollitems=\"1\"><div class=\"swiper-wrapper\"><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><span class=\"entry-title rich-snippet-hidden\">Special Screws for Lamellar Joints<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/www.efsfasteners.com\/en\/author\/eufastersol-admin\/\" rel=\"author\">Eufastersol Admin<\/a><\/span><\/span><div  class=\"fusion-image-wrapper\" aria-haspopup=\"true\">\n\t\t\t\t<img decoding=\"async\" width=\"1422\" height=\"800\" src=\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/03\/20250220_1.png\" class=\"attachment-full size-full wp-post-image\" alt=\"EFS - Prodotti - Viti speciali per giunti lamellari 42CrMo4\" srcset=\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/03\/20250220_1-200x113.png 200w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/03\/20250220_1-400x225.png 400w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/03\/20250220_1-600x338.png 600w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/03\/20250220_1-800x450.png 800w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/03\/20250220_1-1200x675.png 1200w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/03\/20250220_1.png 1422w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 856px) 293px, (min-width: 784px) 390px, (min-width: 712px) 585px, (min-width: 640px) 712px, \" \/><div class=\"fusion-rollover\">\n\t<div class=\"fusion-rollover-content\">\n\n\t\t\t\t\n\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-categories\"><a href=\"https:\/\/www.efsfasteners.com\/en\/portfolio_category\/mechanics\/\" rel=\"tag\">MECHANICS<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<a class=\"fusion-link-wrapper\" href=\"https:\/\/www.efsfasteners.com\/en\/portfolio-items\/special-screws-for-lamellar-joints\/\" aria-label=\"Special Screws for Lamellar Joints\"><\/a>\n\t<\/div>\n<\/div>\n<\/div>\n<h4 class=\"fusion-carousel-title\"><a href=\"https:\/\/www.efsfasteners.com\/en\/portfolio-items\/special-screws-for-lamellar-joints\/\" target=\"_self\">Special Screws for Lamellar Joints<\/a><\/h4><div class=\"fusion-carousel-meta\"><a href=\"https:\/\/www.efsfasteners.com\/en\/portfolio_category\/mechanics\/\" rel=\"tag\">MECHANICS<\/a><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><span class=\"entry-title rich-snippet-hidden\">Custom Threaded Studs for Nuclear Plants<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/www.efsfasteners.com\/en\/author\/eufastersol-admin\/\" rel=\"author\">Eufastersol Admin<\/a><\/span><\/span><div  class=\"fusion-image-wrapper\" aria-haspopup=\"true\">\n\t\t\t\t<img decoding=\"async\" width=\"1422\" height=\"800\" src=\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250206_1.png\" class=\"attachment-full size-full wp-post-image\" alt=\"EFS - Prodotti - Prigionieri speciali per impianti nucleari 21CrMoV5-7, 24CrMo5\" srcset=\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250206_1-200x113.png 200w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250206_1-400x225.png 400w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250206_1-600x338.png 600w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250206_1-800x450.png 800w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250206_1-1200x675.png 1200w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250206_1.png 1422w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 856px) 293px, (min-width: 784px) 390px, (min-width: 712px) 585px, (min-width: 640px) 712px, \" \/><div class=\"fusion-rollover\">\n\t<div class=\"fusion-rollover-content\">\n\n\t\t\t\t\n\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-categories\"><a href=\"https:\/\/www.efsfasteners.com\/en\/portfolio_category\/energy\/\" rel=\"tag\">ENERGY<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<a class=\"fusion-link-wrapper\" href=\"https:\/\/www.efsfasteners.com\/en\/portfolio-items\/special-prisoners-for-nuclear-plants\/\" aria-label=\"Custom Threaded Studs for Nuclear Plants\"><\/a>\n\t<\/div>\n<\/div>\n<\/div>\n<h4 class=\"fusion-carousel-title\"><a href=\"https:\/\/www.efsfasteners.com\/en\/portfolio-items\/special-prisoners-for-nuclear-plants\/\" target=\"_self\">Custom Threaded Studs for Nuclear Plants<\/a><\/h4><div class=\"fusion-carousel-meta\"><a href=\"https:\/\/www.efsfasteners.com\/en\/portfolio_category\/energy\/\" rel=\"tag\">ENERGY<\/a><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><span class=\"entry-title rich-snippet-hidden\">Hexagonal Nut for Oil&amp;Gas Industry<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/www.efsfasteners.com\/en\/author\/eufastersol-admin\/\" rel=\"author\">Eufastersol Admin<\/a><\/span><\/span><div  class=\"fusion-image-wrapper\" aria-haspopup=\"true\">\n\t\t\t\t<img decoding=\"async\" width=\"1422\" height=\"800\" src=\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250121_1.png\" class=\"attachment-full size-full wp-post-image\" alt=\"EFS - Prodotti - Dado esagonale per il settore Oil&amp;Gas\" srcset=\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250121_1-200x113.png 200w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250121_1-400x225.png 400w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250121_1-600x338.png 600w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250121_1-800x450.png 800w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250121_1-1200x675.png 1200w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250121_1.png 1422w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 856px) 293px, (min-width: 784px) 390px, (min-width: 712px) 585px, (min-width: 640px) 712px, \" \/><div class=\"fusion-rollover\">\n\t<div class=\"fusion-rollover-content\">\n\n\t\t\t\t\n\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-categories\"><a href=\"https:\/\/www.efsfasteners.com\/en\/portfolio_category\/oil-gas\/\" rel=\"tag\">OIL &amp; GAS<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<a class=\"fusion-link-wrapper\" href=\"https:\/\/www.efsfasteners.com\/en\/portfolio-items\/hexagonal-nut-for-oilgas-industry\/\" aria-label=\"Hexagonal Nut for Oil&amp;Gas Industry\"><\/a>\n\t<\/div>\n<\/div>\n<\/div>\n<h4 class=\"fusion-carousel-title\"><a href=\"https:\/\/www.efsfasteners.com\/en\/portfolio-items\/hexagonal-nut-for-oilgas-industry\/\" target=\"_self\">Hexagonal Nut for Oil&amp;Gas Industry<\/a><\/h4><div class=\"fusion-carousel-meta\"><a href=\"https:\/\/www.efsfasteners.com\/en\/portfolio_category\/oil-gas\/\" rel=\"tag\">OIL &amp; GAS<\/a><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><span class=\"entry-title rich-snippet-hidden\">Specialty Hardware for the Port Crane Industry<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/www.efsfasteners.com\/en\/author\/eufastersol-admin\/\" rel=\"author\">Eufastersol Admin<\/a><\/span><\/span><div  class=\"fusion-image-wrapper\" aria-haspopup=\"true\">\n\t\t\t\t<img decoding=\"async\" width=\"1422\" height=\"800\" src=\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250115_1.png\" class=\"attachment-full size-full wp-post-image\" alt=\"EFS - Prodotti - Bulloneria speciale per il settore delle gru portuali\" srcset=\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250115_1-200x113.png 200w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250115_1-400x225.png 400w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250115_1-600x338.png 600w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250115_1-800x450.png 800w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250115_1-1200x675.png 1200w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250115_1.png 1422w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 856px) 293px, (min-width: 784px) 390px, (min-width: 712px) 585px, (min-width: 640px) 712px, \" \/><div class=\"fusion-rollover\">\n\t<div class=\"fusion-rollover-content\">\n\n\t\t\t\t\n\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-categories\"><a href=\"https:\/\/www.efsfasteners.com\/en\/portfolio_category\/construction-sites-and-lifting\/\" rel=\"tag\">CONSTRUCTION SITES AND LIFTING<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<a class=\"fusion-link-wrapper\" href=\"https:\/\/www.efsfasteners.com\/en\/portfolio-items\/specialty-hardware-for-the-port-crane-industry\/\" aria-label=\"Specialty Hardware for the Port Crane Industry\"><\/a>\n\t<\/div>\n<\/div>\n<\/div>\n<h4 class=\"fusion-carousel-title\"><a href=\"https:\/\/www.efsfasteners.com\/en\/portfolio-items\/specialty-hardware-for-the-port-crane-industry\/\" target=\"_self\">Specialty Hardware for the Port Crane Industry<\/a><\/h4><div class=\"fusion-carousel-meta\"><a href=\"https:\/\/www.efsfasteners.com\/en\/portfolio_category\/construction-sites-and-lifting\/\" rel=\"tag\">CONSTRUCTION SITES AND LIFTING<\/a><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><span class=\"entry-title rich-snippet-hidden\">Rectangular head screws for industrial plants: a compact and effective solution<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/www.efsfasteners.com\/en\/author\/eufastersol-admin\/\" rel=\"author\">Eufastersol Admin<\/a><\/span><\/span><div  class=\"fusion-image-wrapper\" aria-haspopup=\"true\">\n\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/05\/20250508_viti-testa-rettangolare_4.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"EFS - Prodotti - Viti a testa rettangolare per impianti industriali\" srcset=\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/05\/20250508_viti-testa-rettangolare_4-200x150.jpg 200w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/05\/20250508_viti-testa-rettangolare_4-400x300.jpg 400w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/05\/20250508_viti-testa-rettangolare_4-600x450.jpg 600w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/05\/20250508_viti-testa-rettangolare_4.jpg 800w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 856px) 293px, (min-width: 784px) 390px, (min-width: 712px) 585px, (min-width: 640px) 712px, \" \/><div class=\"fusion-rollover\">\n\t<div class=\"fusion-rollover-content\">\n\n\t\t\t\t\n\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-categories\"><a href=\"https:\/\/www.efsfasteners.com\/en\/portfolio_category\/plants\/\" rel=\"tag\">PLANTS<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<a class=\"fusion-link-wrapper\" href=\"https:\/\/www.efsfasteners.com\/en\/portfolio-items\/rectangular-head-screws-for-industrial-plants-a-compact-and-effective-solution\/\" aria-label=\"Rectangular head screws for industrial plants: a compact and effective solution\"><\/a>\n\t<\/div>\n<\/div>\n<\/div>\n<h4 class=\"fusion-carousel-title\"><a href=\"https:\/\/www.efsfasteners.com\/en\/portfolio-items\/rectangular-head-screws-for-industrial-plants-a-compact-and-effective-solution\/\" target=\"_self\">Rectangular head screws for industrial plants: a compact and effective solution<\/a><\/h4><div class=\"fusion-carousel-meta\"><a href=\"https:\/\/www.efsfasteners.com\/en\/portfolio_category\/plants\/\" rel=\"tag\">PLANTS<\/a><\/div><\/div><\/div><div class=\"swiper-slide\"><div class=\"fusion-carousel-item-wrapper\"><span class=\"entry-title rich-snippet-hidden\">Lightened shank screws for rail transport<\/span><span class=\"vcard rich-snippet-hidden\"><span class=\"fn\"><a href=\"https:\/\/www.efsfasteners.com\/en\/author\/eufastersol-admin\/\" rel=\"author\">Eufastersol Admin<\/a><\/span><\/span><div  class=\"fusion-image-wrapper\" aria-haspopup=\"true\">\n\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/05\/20250509_viti-a-gambo-alleggerito_1b.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"EFS - Prodotti - Viti a gambo alleggerito per trasporti ferroviari 42CrMo4\" srcset=\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/05\/20250509_viti-a-gambo-alleggerito_1b-200x150.jpg 200w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/05\/20250509_viti-a-gambo-alleggerito_1b-400x300.jpg 400w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/05\/20250509_viti-a-gambo-alleggerito_1b-600x450.jpg 600w, https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/05\/20250509_viti-a-gambo-alleggerito_1b.jpg 800w\" sizes=\"(min-width: 2200px) 100vw, (min-width: 856px) 293px, (min-width: 784px) 390px, (min-width: 712px) 585px, (min-width: 640px) 712px, \" \/><div class=\"fusion-rollover\">\n\t<div class=\"fusion-rollover-content\">\n\n\t\t\t\t\n\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"fusion-rollover-categories\"><a href=\"https:\/\/www.efsfasteners.com\/en\/portfolio_category\/vehicles\/\" rel=\"tag\">VEHICLES<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<a class=\"fusion-link-wrapper\" href=\"https:\/\/www.efsfasteners.com\/en\/portfolio-items\/lightened-shank-screws-for-rail-transport\/\" aria-label=\"Lightened shank screws for rail transport\"><\/a>\n\t<\/div>\n<\/div>\n<\/div>\n<h4 class=\"fusion-carousel-title\"><a href=\"https:\/\/www.efsfasteners.com\/en\/portfolio-items\/lightened-shank-screws-for-rail-transport\/\" target=\"_self\">Lightened shank screws for rail transport<\/a><\/h4><div class=\"fusion-carousel-meta\"><a href=\"https:\/\/www.efsfasteners.com\/en\/portfolio_category\/vehicles\/\" rel=\"tag\">VEHICLES<\/a><\/div><\/div><\/div><\/div><div class=\"awb-swiper-button awb-swiper-button-prev\"><i class=\"awb-icon-angle-left\" aria-hidden=\"true\"><\/i><\/div><div class=\"awb-swiper-button awb-swiper-button-next\"><i class=\"awb-icon-angle-right\" aria-hidden=\"true\"><\/i><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-19 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div style=\"text-align:center;\"><a class=\"fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-2 fusion-button-default-span fusion-button-default-type\" target=\"_self\" href=\"https:\/\/www.efsfasteners.com\/en\/areas-of-application\/\"><span class=\"fusion-button-text\">DISCOVER THE APPLICATION SECTORS<\/span><\/a><\/div><\/div><\/div><\/div><\/div><\/div>\n<\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":1199,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"footnotes":""},"class_list":["post-3162","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mechanical Reworking Operations for Fasteners | EFS<\/title>\n<meta name=\"description\" content=\"Mechanical reworking operations on screws, nuts, stud bolts and fastening components: turning, grinding, drilling, milling and thread chasing.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.efsfasteners.com\/en\/services\/mechanical-reworking\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mechanical Reworking Operations for Fasteners | EFS\" \/>\n<meta property=\"og:description\" content=\"Mechanical reworking operations on screws, nuts, stud bolts and fastening components: turning, grinding, drilling, milling and thread chasing.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.efsfasteners.com\/en\/services\/mechanical-reworking\/\" \/>\n<meta property=\"og:site_name\" content=\"EFS Srl European Fasteners Solutions\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/eufastenersol\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-17T13:38:02+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@eufastenersol\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.efsfasteners.com\\\/en\\\/services\\\/mechanical-reworking\\\/\",\"url\":\"https:\\\/\\\/www.efsfasteners.com\\\/en\\\/services\\\/mechanical-reworking\\\/\",\"name\":\"Mechanical Reworking Operations for Fasteners | EFS\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.efsfasteners.com\\\/en\\\/#website\"},\"datePublished\":\"2026-07-08T13:17:13+00:00\",\"dateModified\":\"2026-07-17T13:38:02+00:00\",\"description\":\"Mechanical reworking operations on screws, nuts, stud bolts and fastening components: turning, grinding, drilling, milling and thread chasing.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.efsfasteners.com\\\/en\\\/services\\\/mechanical-reworking\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.efsfasteners.com\\\/en\\\/services\\\/mechanical-reworking\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.efsfasteners.com\\\/en\\\/services\\\/mechanical-reworking\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.efsfasteners.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Services\",\"item\":\"https:\\\/\\\/www.efsfasteners.com\\\/en\\\/services\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Mechanical Reworking\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.efsfasteners.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/www.efsfasteners.com\\\/en\\\/\",\"name\":\"EFS Srl European Fasteners Solutions\",\"description\":\"Bulloni, viti, tiranti a Cant\u00f9\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.efsfasteners.com\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.efsfasteners.com\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.efsfasteners.com\\\/en\\\/#organization\",\"name\":\"EFS Srl European Fasteners Solutions\",\"url\":\"https:\\\/\\\/www.efsfasteners.com\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.efsfasteners.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.efsfasteners.com\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/Logo-EFS-80.svg\",\"contentUrl\":\"https:\\\/\\\/www.efsfasteners.com\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/Logo-EFS-80.svg\",\"width\":80,\"height\":60,\"caption\":\"EFS Srl European Fasteners Solutions\"},\"image\":{\"@id\":\"https:\\\/\\\/www.efsfasteners.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/eufastenersol\\\/\",\"https:\\\/\\\/x.com\\\/eufastenersol\",\"https:\\\/\\\/www.instagram.com\\\/eufastenersol\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/european-fasteners-solutions\\\/\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Mechanical Reworking Operations for Fasteners | EFS","description":"Mechanical reworking operations on screws, nuts, stud bolts and fastening components: turning, grinding, drilling, milling and thread chasing.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.efsfasteners.com\/en\/services\/mechanical-reworking\/","og_locale":"en_US","og_type":"article","og_title":"Mechanical Reworking Operations for Fasteners | EFS","og_description":"Mechanical reworking operations on screws, nuts, stud bolts and fastening components: turning, grinding, drilling, milling and thread chasing.","og_url":"https:\/\/www.efsfasteners.com\/en\/services\/mechanical-reworking\/","og_site_name":"EFS Srl European Fasteners Solutions","article_publisher":"https:\/\/www.facebook.com\/eufastenersol\/","article_modified_time":"2026-07-17T13:38:02+00:00","twitter_card":"summary_large_image","twitter_site":"@eufastenersol","twitter_misc":{"Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.efsfasteners.com\/en\/services\/mechanical-reworking\/","url":"https:\/\/www.efsfasteners.com\/en\/services\/mechanical-reworking\/","name":"Mechanical Reworking Operations for Fasteners | EFS","isPartOf":{"@id":"https:\/\/www.efsfasteners.com\/en\/#website"},"datePublished":"2026-07-08T13:17:13+00:00","dateModified":"2026-07-17T13:38:02+00:00","description":"Mechanical reworking operations on screws, nuts, stud bolts and fastening components: turning, grinding, drilling, milling and thread chasing.","breadcrumb":{"@id":"https:\/\/www.efsfasteners.com\/en\/services\/mechanical-reworking\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.efsfasteners.com\/en\/services\/mechanical-reworking\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.efsfasteners.com\/en\/services\/mechanical-reworking\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.efsfasteners.com\/en\/"},{"@type":"ListItem","position":2,"name":"Services","item":"https:\/\/www.efsfasteners.com\/en\/services\/"},{"@type":"ListItem","position":3,"name":"Mechanical Reworking"}]},{"@type":"WebSite","@id":"https:\/\/www.efsfasteners.com\/en\/#website","url":"https:\/\/www.efsfasteners.com\/en\/","name":"EFS Srl European Fasteners Solutions","description":"Bulloni, viti, tiranti a Cant\u00f9","publisher":{"@id":"https:\/\/www.efsfasteners.com\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.efsfasteners.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.efsfasteners.com\/en\/#organization","name":"EFS Srl European Fasteners Solutions","url":"https:\/\/www.efsfasteners.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.efsfasteners.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/05\/Logo-EFS-80.svg","contentUrl":"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/05\/Logo-EFS-80.svg","width":80,"height":60,"caption":"EFS Srl European Fasteners Solutions"},"image":{"@id":"https:\/\/www.efsfasteners.com\/en\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/eufastenersol\/","https:\/\/x.com\/eufastenersol","https:\/\/www.instagram.com\/eufastenersol\/","https:\/\/www.linkedin.com\/company\/european-fasteners-solutions\/"]}]}},"_links":{"self":[{"href":"https:\/\/www.efsfasteners.com\/en\/wp-json\/wp\/v2\/pages\/3162","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.efsfasteners.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.efsfasteners.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.efsfasteners.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.efsfasteners.com\/en\/wp-json\/wp\/v2\/comments?post=3162"}],"version-history":[{"count":6,"href":"https:\/\/www.efsfasteners.com\/en\/wp-json\/wp\/v2\/pages\/3162\/revisions"}],"predecessor-version":[{"id":3255,"href":"https:\/\/www.efsfasteners.com\/en\/wp-json\/wp\/v2\/pages\/3162\/revisions\/3255"}],"up":[{"embeddable":true,"href":"https:\/\/www.efsfasteners.com\/en\/wp-json\/wp\/v2\/pages\/1199"}],"wp:attachment":[{"href":"https:\/\/www.efsfasteners.com\/en\/wp-json\/wp\/v2\/media?parent=3162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}