S-91773A161 6-32 x 2 1/2" ASME B18.6.3 Stainless Steel Round Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction and a passivated finish, ensuring long-term reliability in harsh environments.
• Exceptional mechanical strength with a tensile strength of 100,000 psi and Rockwell B100 hardness, providing dependable performance under high stress.
• Optimized for efficient installation with a Phillips No. 2 drive and rounded head design, reducing tool slippage and assembly time.
• Reliable thread engagement from the coarse UNC thread and Class 2A fit, minimizing cross-threading and ensuring secure fastening.
• Versatile partial threading on a 2 1/2" length allows for precise clamping force control in varied material thicknesses.
• Broad industrial compliance meeting ASME B18.6.3, RoHS 3, and REACH standards, guaranteeing quality and environmental safety.
• Durable right-hand thread design maintains integrity through repeated use, ideal for maintenance and production cycles.

Professional Applications & Engineering Value

These 6-32 UNC coarse thread screws are engineered to address common industrial challenges such as vibration loosening and environmental degradation. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to oxidation and chemicals, making them suitable for applications in machinery, electronics, and outdoor equipment. The partially threaded design ensures that the unthreaded shank bears load efficiently, reducing stress concentration and preventing joint failure. With a Phillips drive and rounded head, they offer quick, secure installation in automated or manual assembly lines, enhancing productivity while maintaining Class 2A thread fit precision for consistent performance in high-demand settings.

Specification Summary & Compliance

This product adheres to Class 2A thread fit tolerances and UNC coarse thread standards, ensuring dimensional accuracy and compatibility. It meets ASME B18.6.3 specifications for dimensional and mechanical properties, and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for various industrial uses.