{"id":1208,"date":"2025-04-24T17:31:49","date_gmt":"2025-04-24T15:31:49","guid":{"rendered":"https:\/\/www.efsfasteners.com\/portfolio-items\/special-prisoners-for-nuclear-plants\/"},"modified":"2026-09-10T17:46:20","modified_gmt":"2026-09-10T15:46:20","slug":"special-prisoners-for-nuclear-plants","status":"publish","type":"avada_portfolio","link":"https:\/\/www.efsfasteners.com\/en\/portfolio-items\/special-prisoners-for-nuclear-plants\/","title":{"rendered":"Custom Threaded Studs for Nuclear Plants"},"content":{"rendered":"<p>In power generation facilities, and particularly in the nuclear sector, fastening systems, such as custom threaded studs, play a crucial role in ensuring safety, stability and resistance to the most extreme operating conditions. Components must withstand high temperatures, high pressures and corrosive environments. All while maintaining consistent mechanical performance over time.<\/p>\n<p>For this reason, <strong>studs for nuclear power plants<\/strong> are made from high-performance materials and with specific geometries, custom-designed to fit perfectly with the needs of the most critical applications.<\/p>\n<h4>Custom-made threaded studs for the nuclear industry<\/h4>\n<p>An excellent example of this type of fastener is the <strong>turned threaded stud with reduced shank<\/strong>, supplied by EFS to specific customer design for the nuclear industry.<\/p>\n<ul>\n<li><strong>Dimensions<\/strong>: diameter M45, length 442 mm, thread pitch 4.5 mm.<\/li>\n<li><strong>Material<\/strong>: 21CrMoV5-7 (1.7709), a special alloy steel with exceptional mechanical strength, thermal stability and resistance to high pressures.<\/li>\n<li><strong>Custom design<\/strong>: asymmetrical ends and a milling on one end to facilitate attachment to other mechanical parts.<\/li>\n<\/ul>\n<p>To ensure a perfect fit and optimal stress distribution, the stud is supplied with <strong>two M45 hex nuts made of 24CrMo5<\/strong>, a material with differentiated strength to optimize the bolt-nut connection. In addition, the nut includes an <strong>integrated collar<\/strong>, which acts as a washer and ensures proper thickness and force distribution.<\/p>\n<h4>Custom marking and quality control<\/h4>\n<p>Upon request, EFS can provide <strong>customized laser markings<\/strong> on the nut head or other specific locations for immediate and secure traceability. Each batch undergoes rigorous quality control, ensuring excellent performance even under the harshest conditions.<\/p>\n<p>In addition to nuclear power plants, these threaded studs are successfully used in turbines and heat exchangers in the power and Oil &amp; Gas industries.<\/p>\n<h4>Product data sheet<\/h4>\n<ul>\n<li><strong>Diameter<\/strong>: M45<\/li>\n<li><strong>Length<\/strong>: 442 mm<\/li>\n<li><strong>Thread pitch<\/strong>: 4.5 mm<\/li>\n<li><strong>Material<\/strong>: 21CrMoV5-7 (1.7709)<\/li>\n<li><strong>Nuts provided<\/strong>: 2 M45 nuts in 24CrMo5 with integrated collar<\/li>\n<li><strong>Applications<\/strong>: Nuclear plants, turbines, heat exchangers, oil &amp; gas<\/li>\n<li><strong>Customization<\/strong>: Special milling, laser marking on request<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In power generation facilities, and particularly in the nuclear sector, fastening systems, such as custom threaded studs, play a crucial role in ensuring safety, stability and resistance to the most extreme operating conditions. Components must withstand high temperatures, high pressures and corrosive environments. All while maintaining consistent mechanical performance over time.<\/p>\n","protected":false},"author":1,"featured_media":1116,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"portfolio_category":[26],"portfolio_skills":[],"portfolio_tags":[],"class_list":["post-1208","avada_portfolio","type-avada_portfolio","status-publish","format-standard","has-post-thumbnail","hentry","portfolio_category-energy"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Custom Threaded Studs for Nuclear Plants - EFS Srl European Fasteners Solutions<\/title>\n<meta name=\"description\" content=\"Turned threaded stud with reduced shank in 21CrMoV5-7 (1.7709), supplied by EFS to specific customer drawing for nuclear industry\" \/>\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\/portfolio-items\/special-prisoners-for-nuclear-plants\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Custom Threaded Studs for Nuclear Plants - 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