NUTS<\/h1><\/div>High Performance Fasteners<\/h2><\/div><\/div><\/div><\/div><\/div>Special Nuts for Industrial Applications<\/h1><\/div>Special nuts are essential fastening components designed to ensure secure assembly, mechanical strength and long-term reliability in demanding industrial environments.<\/p>\n
Unlike standard components, special nuts can be manufactured according to specific project requirements using customised dimensions, dedicated materials and surface treatments developed to optimise performance.<\/p>\n
EFS supplies special nuts manufactured in stainless steels, alloy steels and high-performance materials for critical industrial applications.<\/p>\n<\/div><\/div><\/div>
REFERENCE STANDARDS<\/h4><\/div>- <\/i><\/span>\n
UNI<\/strong>
\n5587, 5588, 5589, 5593, 5594<\/p>\n<\/div><\/li>- <\/i><\/span>\n
DIN<\/strong>
\n439, 934, 980, 982, 985, 2510<\/p>\n<\/div><\/li>- <\/i><\/span>\n
UNI<\/strong>
\n5593, 5594<\/p>\n<\/div><\/li>- <\/i><\/span>\n
ANSI<\/strong>
\nB18.2.2<\/p>\n<\/div><\/li>- <\/i><\/span>\n
ISO<\/strong>
\n4032<\/p>\n<\/div><\/li><\/ul>MATERIALS<\/h4><\/div>- <\/i><\/span>\n
CL 8, 10, 12<\/p>\n<\/div><\/li>
- <\/i><\/span>\n
ASTM A194 2A<\/p>\n<\/div><\/li>
- <\/i><\/span>\n
GR 7, GR 8<\/p>\n<\/div><\/li><\/ul><\/div><\/div><\/div><\/div>
<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/span><\/a><\/span>HEXAGONAL NUTS<\/h3><\/div>Hex nuts for custom bolts<\/h4><\/div>![\"EFS](\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/EFS_dadi_1.jpg\" "\\"EFS")
<\/span><\/div>Hex nuts are among the most widely used components in industrial applications to ensure strong and reliable fastening solutions. They can be manufactured in different strength classes and materials, with metric, UNC or custom thread specifications according to customer requirements.<\/p>\n<\/div><\/div><\/div>
<\/span><\/a><\/span>SELF-LOCKING NUTS<\/h3><\/div>Special self-locking nuts<\/h4><\/div>![\"EFS](\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/EFS_dadi_2.jpg\" "\\"EFS")
<\/span><\/div>Designed to prevent loosening due to vibration and stress, self-locking nuts feature nylon inserts or metal locking systems that provide a reliable seal even under extreme conditions.<\/p>\n<\/div><\/div><\/div>
<\/span><\/a><\/span>FLANGED NUTS<\/h3><\/div>Custom flange nuts for high-performance fasteners<\/h4><\/div>![\"EFS](\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/EFS_dadi_3.jpg\" "\\"EFS")
<\/span><\/div>Flange nuts feature an enlarged bearing surface that distributes the load over a wider area, helping to reduce the risk of loosening. They are particularly suitable for applications requiring high resistance to vibration.<\/p>\n<\/div><\/div><\/div>
<\/span><\/a><\/span>DRAWING NUTS<\/h3><\/div>Custom design nuts for technical hardware<\/h4><\/div>![\"EFS](\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/EFS_dadi_8.jpg\" "\\"EFS")
<\/span><\/div>When standard solutions are not suitable, we manufacture custom nuts based on technical drawings<\/strong>, adapting them to specific dimensional and mechanical requirements. Each nut can be produced with custom geometries, special materials and surface treatments to ensure optimal performance.<\/p>\n<\/div><\/div><\/div><\/span><\/a><\/span>CAP NUTS<\/h3><\/div>Cap nuts for protection and safety<\/h4><\/div>![\"EFS](\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/EFS_dadi_5.jpg\" "\\"EFS")
<\/span><\/div>This type of nut features a closed-end design that protects the thread from dust, dirt and moisture. Cap nuts are ideal for applications requiring both aesthetic appearance and safety, and are available in different materials and surface finishes.<\/p>\n<\/div><\/div><\/div>
<\/span><\/a><\/span>CROWN NUTS<\/h3><\/div>Special crown nuts for secure fastenings<\/h4><\/div>![\"EFS](\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/EFS_dadi_7.jpg\" "\\"EFS")
<\/span><\/div>Castle nuts are designed for use with cotter pins or mechanical locking systems. This configuration makes them ideal for applications where fastening security is essential, such as transmission systems and structural connections.<\/p>\n<\/div><\/div><\/div><\/div><\/div>
<\/div>NEED A PARTNER FOR SPECIAL BOLTS?<\/h3><\/div>We supply custom-designed fasteners for critical applications \u2014 with certified quality, full traceability, and technical support.
Fill out the contact form or call us: our team is ready to assist you with tailored solutions.<\/p>\n<\/div><\/div><\/div>
CONTACT US<\/span><\/a><\/div><\/div><\/div><\/div><\/div>\nPRODUCTS APPLIED TO INDUSTRY<\/h3><\/div><\/div><\/div>Special Screws for Lamellar Joints<\/span>Eufastersol Admin<\/a><\/span><\/span>\n\t\t\t\t![\"EFS](\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/03\/20250220_1.png\")
\n\t\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\tMECHANICS<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n<\/div>\nSpecial Screws for Lamellar Joints<\/a><\/h4>MECHANICS<\/a><\/div><\/div><\/div>Custom Threaded Studs for Nuclear Plants<\/span>Eufastersol Admin<\/a><\/span><\/span>\n\t\t\t\t![\"EFS](\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250206_1.png\")
\n\t\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\tENERGY<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n<\/div>\nCustom Threaded Studs for Nuclear Plants<\/a><\/h4>ENERGY<\/a><\/div><\/div><\/div>Hexagonal Nut for Oil&Gas Industry<\/span>Eufastersol Admin<\/a><\/span><\/span>\n\t\t\t\t![\"EFS](\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250121_1.png\")
\n\t\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\tOIL & GAS<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n<\/div>\nHexagonal Nut for Oil&Gas Industry<\/a><\/h4>OIL & GAS<\/a><\/div><\/div><\/div>Specialty Hardware for the Port Crane Industry<\/span>Eufastersol Admin<\/a><\/span><\/span>\n\t\t\t\t![\"EFS](\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/04\/20250115_1.png\")
\n\t\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\tCONSTRUCTION SITES AND LIFTING<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n<\/div>\nSpecialty Hardware for the Port Crane Industry<\/a><\/h4>
High Performance Fasteners<\/h2><\/div><\/div><\/div><\/div><\/div>Special Nuts for Industrial Applications<\/h1><\/div>Special nuts are essential fastening components designed to ensure secure assembly, mechanical strength and long-term reliability in demanding industrial environments.<\/p>\n
Unlike standard components, special nuts can be manufactured according to specific project requirements using customised dimensions, dedicated materials and surface treatments developed to optimise performance.<\/p>\n
EFS supplies special nuts manufactured in stainless steels, alloy steels and high-performance materials for critical industrial applications.<\/p>\n<\/div><\/div><\/div>
REFERENCE STANDARDS<\/h4><\/div>- <\/i><\/span>\n
UNI<\/strong>
\n5587, 5588, 5589, 5593, 5594<\/p>\n<\/div><\/li>- <\/i><\/span>\n
DIN<\/strong>
\n439, 934, 980, 982, 985, 2510<\/p>\n<\/div><\/li>- <\/i><\/span>\n
UNI<\/strong>
\n5593, 5594<\/p>\n<\/div><\/li>- <\/i><\/span>\n
ANSI<\/strong>
\nB18.2.2<\/p>\n<\/div><\/li>- <\/i><\/span>\n
ISO<\/strong>
\n4032<\/p>\n<\/div><\/li><\/ul>MATERIALS<\/h4><\/div>- <\/i><\/span>\n
CL 8, 10, 12<\/p>\n<\/div><\/li>
- <\/i><\/span>\n
ASTM A194 2A<\/p>\n<\/div><\/li>
- <\/i><\/span>\n
GR 7, GR 8<\/p>\n<\/div><\/li><\/ul><\/div><\/div><\/div><\/div>
<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/span><\/a><\/span>HEXAGONAL NUTS<\/h3><\/div>Hex nuts for custom bolts<\/h4><\/div><\/span><\/div>Hex nuts are among the most widely used components in industrial applications to ensure strong and reliable fastening solutions. They can be manufactured in different strength classes and materials, with metric, UNC or custom thread specifications according to customer requirements.<\/p>\n<\/div><\/div><\/div>
<\/span><\/a><\/span>SELF-LOCKING NUTS<\/h3><\/div>Special self-locking nuts<\/h4><\/div><\/span><\/div>Designed to prevent loosening due to vibration and stress, self-locking nuts feature nylon inserts or metal locking systems that provide a reliable seal even under extreme conditions.<\/p>\n<\/div><\/div><\/div>
<\/span><\/a><\/span>FLANGED NUTS<\/h3><\/div>Custom flange nuts for high-performance fasteners<\/h4><\/div><\/span><\/div>Flange nuts feature an enlarged bearing surface that distributes the load over a wider area, helping to reduce the risk of loosening. They are particularly suitable for applications requiring high resistance to vibration.<\/p>\n<\/div><\/div><\/div>
<\/span><\/a><\/span>DRAWING NUTS<\/h3><\/div>Custom design nuts for technical hardware<\/h4><\/div><\/span><\/div>When standard solutions are not suitable, we manufacture custom nuts based on technical drawings<\/strong>, adapting them to specific dimensional and mechanical requirements. Each nut can be produced with custom geometries, special materials and surface treatments to ensure optimal performance.<\/p>\n<\/div><\/div><\/div><\/span><\/a><\/span>CAP NUTS<\/h3><\/div>Cap nuts for protection and safety<\/h4><\/div><\/span><\/div>This type of nut features a closed-end design that protects the thread from dust, dirt and moisture. Cap nuts are ideal for applications requiring both aesthetic appearance and safety, and are available in different materials and surface finishes.<\/p>\n<\/div><\/div><\/div>
<\/span><\/a><\/span>CROWN NUTS<\/h3><\/div>Special crown nuts for secure fastenings<\/h4><\/div><\/span><\/div>Castle nuts are designed for use with cotter pins or mechanical locking systems. This configuration makes them ideal for applications where fastening security is essential, such as transmission systems and structural connections.<\/p>\n<\/div><\/div><\/div><\/div><\/div>
<\/div>NEED A PARTNER FOR SPECIAL BOLTS?<\/h3><\/div>We supply custom-designed fasteners for critical applications \u2014 with certified quality, full traceability, and technical support.
Fill out the contact form or call us: our team is ready to assist you with tailored solutions.<\/p>\n<\/div><\/div><\/div>
CONTACT US<\/span><\/a><\/div><\/div><\/div><\/div><\/div>\nPRODUCTS APPLIED TO INDUSTRY<\/h3><\/div><\/div><\/div>Special Screws for Lamellar Joints<\/span>Eufastersol Admin<\/a><\/span><\/span>\n\t\t\t\t\n\t\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\tMECHANICS<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n<\/div>\nSpecial Screws for Lamellar Joints<\/a><\/h4>MECHANICS<\/a><\/div><\/div><\/div>Custom Threaded Studs for Nuclear Plants<\/span>Eufastersol Admin<\/a><\/span><\/span>\n\t\t\t\t\n\t\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\tENERGY<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n<\/div>\nCustom Threaded Studs for Nuclear Plants<\/a><\/h4>ENERGY<\/a><\/div><\/div><\/div>Hexagonal Nut for Oil&Gas Industry<\/span>Eufastersol Admin<\/a><\/span><\/span>\n\t\t\t\t\n\t\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\tOIL & GAS<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n<\/div>\nHexagonal Nut for Oil&Gas Industry<\/a><\/h4>OIL & GAS<\/a><\/div><\/div><\/div>Specialty Hardware for the Port Crane Industry<\/span>Eufastersol Admin<\/a><\/span><\/span>\n\t\t\t\t\n\t\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\tCONSTRUCTION SITES AND LIFTING<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n<\/div>\nSpecialty Hardware for the Port Crane Industry<\/a><\/h4>
Special Nuts for Industrial Applications<\/h1><\/div>Special nuts are essential fastening components designed to ensure secure assembly, mechanical strength and long-term reliability in demanding industrial environments.<\/p>\n
Unlike standard components, special nuts can be manufactured according to specific project requirements using customised dimensions, dedicated materials and surface treatments developed to optimise performance.<\/p>\n
EFS supplies special nuts manufactured in stainless steels, alloy steels and high-performance materials for critical industrial applications.<\/p>\n<\/div><\/div><\/div>
REFERENCE STANDARDS<\/h4><\/div>- <\/i><\/span>\n
UNI<\/strong>
\n5587, 5588, 5589, 5593, 5594<\/p>\n<\/div><\/li>- <\/i><\/span>\n
DIN<\/strong>
\n439, 934, 980, 982, 985, 2510<\/p>\n<\/div><\/li>- <\/i><\/span>\n
UNI<\/strong>
\n5593, 5594<\/p>\n<\/div><\/li>- <\/i><\/span>\n
ANSI<\/strong>
\nB18.2.2<\/p>\n<\/div><\/li>- <\/i><\/span>\n
ISO<\/strong>
\n4032<\/p>\n<\/div><\/li><\/ul>MATERIALS<\/h4><\/div>- <\/i><\/span>\n
CL 8, 10, 12<\/p>\n<\/div><\/li>
- <\/i><\/span>\n
ASTM A194 2A<\/p>\n<\/div><\/li>
- <\/i><\/span>\n
GR 7, GR 8<\/p>\n<\/div><\/li><\/ul><\/div><\/div><\/div><\/div>
<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/span><\/a><\/span>HEXAGONAL NUTS<\/h3><\/div>Hex nuts for custom bolts<\/h4><\/div><\/span><\/div>Hex nuts are among the most widely used components in industrial applications to ensure strong and reliable fastening solutions. They can be manufactured in different strength classes and materials, with metric, UNC or custom thread specifications according to customer requirements.<\/p>\n<\/div><\/div><\/div>
<\/span><\/a><\/span>SELF-LOCKING NUTS<\/h3><\/div>Special self-locking nuts<\/h4><\/div><\/span><\/div>Designed to prevent loosening due to vibration and stress, self-locking nuts feature nylon inserts or metal locking systems that provide a reliable seal even under extreme conditions.<\/p>\n<\/div><\/div><\/div>
<\/span><\/a><\/span>FLANGED NUTS<\/h3><\/div>Custom flange nuts for high-performance fasteners<\/h4><\/div><\/span><\/div>Flange nuts feature an enlarged bearing surface that distributes the load over a wider area, helping to reduce the risk of loosening. They are particularly suitable for applications requiring high resistance to vibration.<\/p>\n<\/div><\/div><\/div>
<\/span><\/a><\/span>DRAWING NUTS<\/h3><\/div>Custom design nuts for technical hardware<\/h4><\/div><\/span><\/div>When standard solutions are not suitable, we manufacture custom nuts based on technical drawings<\/strong>, adapting them to specific dimensional and mechanical requirements. Each nut can be produced with custom geometries, special materials and surface treatments to ensure optimal performance.<\/p>\n<\/div><\/div><\/div><\/span><\/a><\/span>CAP NUTS<\/h3><\/div>Cap nuts for protection and safety<\/h4><\/div><\/span><\/div>This type of nut features a closed-end design that protects the thread from dust, dirt and moisture. Cap nuts are ideal for applications requiring both aesthetic appearance and safety, and are available in different materials and surface finishes.<\/p>\n<\/div><\/div><\/div>
<\/span><\/a><\/span>CROWN NUTS<\/h3><\/div>Special crown nuts for secure fastenings<\/h4><\/div><\/span><\/div>Castle nuts are designed for use with cotter pins or mechanical locking systems. This configuration makes them ideal for applications where fastening security is essential, such as transmission systems and structural connections.<\/p>\n<\/div><\/div><\/div><\/div><\/div>
<\/div>NEED A PARTNER FOR SPECIAL BOLTS?<\/h3><\/div>We supply custom-designed fasteners for critical applications \u2014 with certified quality, full traceability, and technical support.
Fill out the contact form or call us: our team is ready to assist you with tailored solutions.<\/p>\n<\/div><\/div><\/div>
CONTACT US<\/span><\/a><\/div><\/div><\/div><\/div><\/div>\nPRODUCTS APPLIED TO INDUSTRY<\/h3><\/div><\/div><\/div>Special Screws for Lamellar Joints<\/span>Eufastersol Admin<\/a><\/span><\/span>\n\t\t\t\t\n\t\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\tMECHANICS<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n<\/div>\nSpecial Screws for Lamellar Joints<\/a><\/h4>MECHANICS<\/a><\/div><\/div><\/div>Custom Threaded Studs for Nuclear Plants<\/span>Eufastersol Admin<\/a><\/span><\/span>\n\t\t\t\t\n\t\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\tENERGY<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n<\/div>\nCustom Threaded Studs for Nuclear Plants<\/a><\/h4>ENERGY<\/a><\/div><\/div><\/div>Hexagonal Nut for Oil&Gas Industry<\/span>Eufastersol Admin<\/a><\/span><\/span>\n\t\t\t\t\n\t\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\tOIL & GAS<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n<\/div>\nHexagonal Nut for Oil&Gas Industry<\/a><\/h4>OIL & GAS<\/a><\/div><\/div><\/div>Specialty Hardware for the Port Crane Industry<\/span>Eufastersol Admin<\/a><\/span><\/span>\n\t\t\t\t\n\t\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\tCONSTRUCTION SITES AND LIFTING<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n<\/div>\nSpecialty Hardware for the Port Crane Industry<\/a><\/h4>
Special nuts are essential fastening components designed to ensure secure assembly, mechanical strength and long-term reliability in demanding industrial environments.<\/p>\n
Unlike standard components, special nuts can be manufactured according to specific project requirements using customised dimensions, dedicated materials and surface treatments developed to optimise performance.<\/p>\n
EFS supplies special nuts manufactured in stainless steels, alloy steels and high-performance materials for critical industrial applications.<\/p>\n<\/div><\/div><\/div>
REFERENCE STANDARDS<\/h4><\/div>- <\/i><\/span>\n
UNI<\/strong>
\n5587, 5588, 5589, 5593, 5594<\/p>\n<\/div><\/li>- <\/i><\/span>\n
DIN<\/strong>
\n439, 934, 980, 982, 985, 2510<\/p>\n<\/div><\/li>- <\/i><\/span>\n
UNI<\/strong>
\n5593, 5594<\/p>\n<\/div><\/li>- <\/i><\/span>\n
ANSI<\/strong>
\nB18.2.2<\/p>\n<\/div><\/li>- <\/i><\/span>\n
ISO<\/strong>
\n4032<\/p>\n<\/div><\/li><\/ul>MATERIALS<\/h4><\/div>- <\/i><\/span>\n
CL 8, 10, 12<\/p>\n<\/div><\/li>
- <\/i><\/span>\n
ASTM A194 2A<\/p>\n<\/div><\/li>
- <\/i><\/span>\n
GR 7, GR 8<\/p>\n<\/div><\/li><\/ul><\/div><\/div><\/div><\/div>
<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/span><\/a><\/span>HEXAGONAL NUTS<\/h3><\/div>Hex nuts for custom bolts<\/h4><\/div><\/span><\/div>Hex nuts are among the most widely used components in industrial applications to ensure strong and reliable fastening solutions. They can be manufactured in different strength classes and materials, with metric, UNC or custom thread specifications according to customer requirements.<\/p>\n<\/div><\/div><\/div>
<\/span><\/a><\/span>SELF-LOCKING NUTS<\/h3><\/div>Special self-locking nuts<\/h4><\/div><\/span><\/div>Designed to prevent loosening due to vibration and stress, self-locking nuts feature nylon inserts or metal locking systems that provide a reliable seal even under extreme conditions.<\/p>\n<\/div><\/div><\/div>
<\/span><\/a><\/span>FLANGED NUTS<\/h3><\/div>Custom flange nuts for high-performance fasteners<\/h4><\/div><\/span><\/div>Flange nuts feature an enlarged bearing surface that distributes the load over a wider area, helping to reduce the risk of loosening. They are particularly suitable for applications requiring high resistance to vibration.<\/p>\n<\/div><\/div><\/div>
<\/span><\/a><\/span>DRAWING NUTS<\/h3><\/div>Custom design nuts for technical hardware<\/h4><\/div><\/span><\/div>When standard solutions are not suitable, we manufacture custom nuts based on technical drawings<\/strong>, adapting them to specific dimensional and mechanical requirements. Each nut can be produced with custom geometries, special materials and surface treatments to ensure optimal performance.<\/p>\n<\/div><\/div><\/div><\/span><\/a><\/span>CAP NUTS<\/h3><\/div>Cap nuts for protection and safety<\/h4><\/div><\/span><\/div>This type of nut features a closed-end design that protects the thread from dust, dirt and moisture. Cap nuts are ideal for applications requiring both aesthetic appearance and safety, and are available in different materials and surface finishes.<\/p>\n<\/div><\/div><\/div>
<\/span><\/a><\/span>CROWN NUTS<\/h3><\/div>Special crown nuts for secure fastenings<\/h4><\/div><\/span><\/div>Castle nuts are designed for use with cotter pins or mechanical locking systems. This configuration makes them ideal for applications where fastening security is essential, such as transmission systems and structural connections.<\/p>\n<\/div><\/div><\/div><\/div><\/div>
<\/div>NEED A PARTNER FOR SPECIAL BOLTS?<\/h3><\/div>We supply custom-designed fasteners for critical applications \u2014 with certified quality, full traceability, and technical support.
Fill out the contact form or call us: our team is ready to assist you with tailored solutions.<\/p>\n<\/div><\/div><\/div>
CONTACT US<\/span><\/a><\/div><\/div><\/div><\/div><\/div>\nPRODUCTS APPLIED TO INDUSTRY<\/h3><\/div><\/div><\/div>Special Screws for Lamellar Joints<\/span>Eufastersol Admin<\/a><\/span><\/span>\n\t\t\t\t\n\t\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\tMECHANICS<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n<\/div>\nSpecial Screws for Lamellar Joints<\/a><\/h4>MECHANICS<\/a><\/div><\/div><\/div>Custom Threaded Studs for Nuclear Plants<\/span>Eufastersol Admin<\/a><\/span><\/span>\n\t\t\t\t\n\t\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\tENERGY<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n<\/div>\nCustom Threaded Studs for Nuclear Plants<\/a><\/h4>ENERGY<\/a><\/div><\/div><\/div>Hexagonal Nut for Oil&Gas Industry<\/span>Eufastersol Admin<\/a><\/span><\/span>\n\t\t\t\t\n\t\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\tOIL & GAS<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n<\/div>\nHexagonal Nut for Oil&Gas Industry<\/a><\/h4>OIL & GAS<\/a><\/div><\/div><\/div>Specialty Hardware for the Port Crane Industry<\/span>Eufastersol Admin<\/a><\/span><\/span>\n\t\t\t\t\n\t\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\tCONSTRUCTION SITES AND LIFTING<\/a><\/div>\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t<\/a>\n\t<\/div>\n<\/div>\n<\/div>\nSpecialty Hardware for the Port Crane Industry<\/a><\/h4>
UNI<\/strong> DIN<\/strong> UNI<\/strong> ANSI<\/strong> ISO<\/strong> CL 8, 10, 12<\/p>\n<\/div><\/li> ASTM A194 2A<\/p>\n<\/div><\/li> GR 7, GR 8<\/p>\n<\/div><\/li><\/ul><\/div><\/div><\/div><\/div> Hex nuts are among the most widely used components in industrial applications to ensure strong and reliable fastening solutions. They can be manufactured in different strength classes and materials, with metric, UNC or custom thread specifications according to customer requirements.<\/p>\n<\/div><\/div><\/div> Designed to prevent loosening due to vibration and stress, self-locking nuts feature nylon inserts or metal locking systems that provide a reliable seal even under extreme conditions.<\/p>\n<\/div><\/div><\/div> Flange nuts feature an enlarged bearing surface that distributes the load over a wider area, helping to reduce the risk of loosening. They are particularly suitable for applications requiring high resistance to vibration.<\/p>\n<\/div><\/div><\/div> When standard solutions are not suitable, we manufacture custom nuts based on technical drawings<\/strong>, adapting them to specific dimensional and mechanical requirements. Each nut can be produced with custom geometries, special materials and surface treatments to ensure optimal performance.<\/p>\n<\/div><\/div><\/div> This type of nut features a closed-end design that protects the thread from dust, dirt and moisture. Cap nuts are ideal for applications requiring both aesthetic appearance and safety, and are available in different materials and surface finishes.<\/p>\n<\/div><\/div><\/div> Castle nuts are designed for use with cotter pins or mechanical locking systems. This configuration makes them ideal for applications where fastening security is essential, such as transmission systems and structural connections.<\/p>\n<\/div><\/div><\/div><\/div><\/div> We supply custom-designed fasteners for critical applications \u2014 with certified quality, full traceability, and technical support.
\n5587, 5588, 5589, 5593, 5594<\/p>\n<\/div><\/li>
\n439, 934, 980, 982, 985, 2510<\/p>\n<\/div><\/li>
\n5593, 5594<\/p>\n<\/div><\/li>
\nB18.2.2<\/p>\n<\/div><\/li>
\n4032<\/p>\n<\/div><\/li><\/ul>MATERIALS<\/h4><\/div>
HEXAGONAL NUTS<\/h3><\/div>
Hex nuts for custom bolts<\/h4><\/div>
<\/span><\/div>SELF-LOCKING NUTS<\/h3><\/div>
Special self-locking nuts<\/h4><\/div>
<\/span><\/div>FLANGED NUTS<\/h3><\/div>
Custom flange nuts for high-performance fasteners<\/h4><\/div>
<\/span><\/div>DRAWING NUTS<\/h3><\/div>
Custom design nuts for technical hardware<\/h4><\/div>
<\/span><\/div>CAP NUTS<\/h3><\/div>
Cap nuts for protection and safety<\/h4><\/div>
<\/span><\/div>CROWN NUTS<\/h3><\/div>
Special crown nuts for secure fastenings<\/h4><\/div>
<\/span><\/div>NEED A PARTNER FOR SPECIAL BOLTS?<\/h3><\/div>
Fill out the contact form or call us: our team is ready to assist you with tailored solutions.<\/p>\n<\/div><\/div><\/div>PRODUCTS APPLIED TO INDUSTRY<\/h3><\/div><\/div><\/div>
Special Screws for Lamellar Joints<\/a><\/h4>
Custom Threaded Studs for Nuclear Plants<\/a><\/h4>
Hexagonal Nut for Oil&Gas Industry<\/a><\/h4>
Specialty Hardware for the Port Crane Industry<\/a><\/h4>
![\"EFS](\"https:\/\/www.efsfasteners.com\/wp-content\/uploads\/2025\/05\/20250508_viti-testa-rettangolare_4.jpg\")