S-90152A121 2-56 x 1/8" ASME B18.3, ASTM F837 Stainless Steel Wire-Lockable Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 80,000 PSI ensures reliable performance in high-stress industrial applications.
• Superior corrosion resistance from 18-8 stainless steel material enhances durability in harsh environments.
• Precise Class 3A thread fit guarantees secure, vibration-resistant fastening with minimal risk of loosening.
• 5/64" hex drive design allows for easy installation and removal with standard tools, reducing assembly time.
• Fully threaded right-hand UNC coarse thread provides quick engagement and strong holding power.
• Compliance with ASME B18.3 standards ensures consistent quality and interchangeability in professional assemblies.
• RoHS 3 and REACH environmental compliance supports sustainable and safe manufacturing practices.

Professional Applications & Engineering Value

This 2-56 UNC thread socket head cap screw is engineered to address critical fastening challenges in precision assemblies. The 18-8 stainless steel construction offers excellent resistance to corrosion and oxidation, making it ideal for applications in electronics, aerospace, and machinery exposed to moisture or chemicals. The coarse thread and Class 3A thread fit ensure rapid installation and reliable performance in high-vibration environments, reducing maintenance needs. With a standard socket head profile and 5/64" hex drive, it enables efficient torque application in confined spaces, enhancing productivity and assembly integrity for B2B industrial users.

Specification Summary & Compliance

This screw features a 2-56 UNC coarse thread with Class 3A thread fit for precise dimensional accuracy, and is manufactured to meet ASME B18.3 specifications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material sustainability in industrial applications.