S-91771A942 6-32 x 3/8" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Superior holding power from fully threaded UNC coarse design and 80,000 psi tensile strength, ensuring reliable fastening in demanding assemblies.
• Precise flush installation with standard 100° countersink angle and flat head design, minimizing protrusion for smooth, aerodynamic surfaces.
• Efficient installation and removal using No. 2 Phillips drive, reducing tool slippage and speeding up assembly processes.
• Consistent thread engagement with Class 2A thread fit, providing reliable performance and reducing the risk of cross-threading.
• Enhanced durability with Rockwell B80 hardness, resisting wear and deformation under repeated stress.
• Broad compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards, ensuring safety and regulatory acceptance.

Professional Applications & Engineering Value

This 6-32 x 3/8" flat head Phillips machine screw delivers critical engineering value by addressing common industrial challenges such as corrosion, vibration loosening, and assembly efficiency. Crafted from passivated 18-8 stainless steel, it offers excellent resistance to rust and chemicals, making it suitable for industrial applications in machinery, electronics, and outdoor equipment. The fully threaded UNC coarse thread design ensures maximum grip and load distribution, while the flat head with 100° countersink allows for seamless integration into surfaces, reducing snagging and improving aesthetics. The Phillips drive facilitates quick installation, and the right-hand thread direction aligns with standard practices, streamlining maintenance and repairs in high-stress environments.

Specification Summary & Compliance

This screw features precise Class 2A thread fit and UNC coarse thread specifications, ensuring dimensional accuracy and reliable performance. It is manufactured in compliance with ASME B18.6.3 standards for consistent quality and interoperability. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial and consumer products without hazardous substances.