S-91802A840 10-32 x 2 1/2" ASME B18.6.3 Stainless Steel Phillips Oval Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
• Exceptional mechanical strength offering 80,000 psi tensile strength and Rockwell B80 hardness for demanding load-bearing applications.
• Optimized partial threading provides secure fastening with reduced risk of cross-threading and easier alignment in pre-tapped holes.
• Precise flush mounting with standard oval head profile and 82° countersink angle for a smooth, professional finish.
• Reliable drive performance using Phillips No. 2 drive style, ensuring efficient installation with common tools and reduced cam-out.
• Fine UNF thread design delivers superior holding power and vibration resistance in precision assemblies.
• Full regulatory compliance meeting ASME B18.6.3, RoHS 3, and REACH standards for safe, globally accepted industrial use.

Professional Applications & Engineering Value

Engineered for precision industrial applications, these 10-32 UNF partially threaded flat head screws solve critical fastening challenges in machinery, electronics, and structural assemblies. The passivated 18-8 stainless steel provides excellent corrosion resistance, essential for outdoor equipment or chemical-exposed environments. The partial threading minimizes thread damage during installation and allows for controlled clamp load distribution. With an 82° countersink angle and oval head profile, they ensure flush seating in tapered holes, preventing snagging and maintaining aerodynamic or aesthetic surfaces. The Phillips No. 2 drive offers widespread tool compatibility, reducing installation time and improving workflow efficiency in automated or manual settings.

Specification Summary & Compliance

This screw maintains Class 2A thread fit for consistent assembly tolerance and features a fine UNF thread with 10-32 size and 2 1/2" length. Manufacturing adheres to ASME B18.6.3 specifications, ensuring dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material restrictions adherence for global supply chain integration.