S-92196A641 6-40 x 1/8" ASME B18.3 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and reducing replacement costs
• High tensile strength of 70,000 psi ensures reliable performance under significant load and stress in demanding applications
• Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant assemblies and improved joint integrity
• Fine UNF thread design offers enhanced grip and better adjustment control in precision-machined components
• Durable Rockwell B70 hardness maintains thread form and drive integrity, resisting wear during installation and use
• Standard hex socket drive (7/64") allows for high-torque installation with common tools, minimizing cam-out and head stripping
• Fully threaded shank ensures consistent clamping force along the entire length for uniform load distribution

Professional Applications & Engineering Value

This 6-40 UNF thread socket head cap screw is engineered to address critical challenges in precision assemblies, such as machinery, aerospace components, and electronic enclosures. The 18-8 stainless steel material provides excellent resistance to oxidation and chemical exposure, extending service life in corrosive settings. Its fine thread and Class 3A fit deliver superior holding power and vibration resistance, preventing loosening in dynamic operations. The socket head design with a hex drive enables flush mounting and access in confined spaces, streamlining installation while maintaining high tensile strength for secure fastening. Ideal for applications requiring reliability and compliance with industrial standards, this fastener ensures long-term performance and reduced maintenance.

Specification Summary & Compliance

This fastener features a 6-40 UNF fine thread with Class 3A fit for precise dimensional accuracy, a length of 1/8 inch, and a right-hand thread direction. It is manufactured in accordance with ASME B18.3 specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met.