S-91241A119 8-32 x 1" ASME B18.13 Stainless Steel Pan Head Phillips Screws with Spring Lock Washer

Key Features & Benefits at a Glance

• Superior vibration resistance with integrated 410 stainless steel spring lock washer, preventing loosening in dynamic applications.
• Excellent corrosion resistance thanks to 18-8 stainless steel construction and passivated finish, ideal for harsh environments.
• High tensile strength of 70,000 psi and Rockwell B80 hardness for reliable load-bearing and durability in demanding assemblies.
• Effortless installation with No. 2 Phillips drive and Class 2A UNC coarse threading, reducing assembly time and tool wear.
• Secure and stable fastening from the rounded pan head design and fully threaded shank, ensuring consistent clamping force.
• Compliance with industry standards including ASME B18.13, RoHS 3, and REACH, guaranteeing quality and environmental safety.
• Versatile right-hand threading and standard dimensions for broad compatibility across industrial equipment and machinery.

Professional Applications & Engineering Value

Engineered for industrial applications where vibration and corrosion are primary concerns, this 8-32 x 1" rounded head screw with integrated spring lock washer provides a robust solution. The 18-8 stainless steel material and passivated finish resist oxidation and chemical exposure, extending service life in outdoor or humid settings. Its Class 2A UNC coarse thread ensures quick, precise engagement, minimizing cross-threading risks and enhancing assembly efficiency. The 410 stainless steel washer actively counters loosening under cyclic loads, making it ideal for machinery, automotive components, and electronic enclosures. By combining high tensile strength with regulatory compliance, it supports reliable performance in B2B procurement for maintenance and production lines.

Specification Summary & Compliance

This screw features Class 2A thread fit with UNC coarse threading (8-32 size) and a length of 1 inch, ensuring dimensional accuracy per ASME B18.13 specifications. It is fully threaded and includes a spring lock washer (OD: 0.383", thickness: 0.03") made from 410 stainless steel with passivated finish. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its suitability for environmentally conscious industrial use without hazardous substances.