S-91770A827 10-32 x 3/8" ASME B18.6.3 Stainless Steel Truss Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction for extended service life in harsh environments
• Enhanced load distribution through wide truss head design that reduces surface pressure and prevents material damage
• High tensile strength of 70,000 psi ensures reliable performance under demanding mechanical stress conditions
• Precise Class 2A thread fit provides consistent engagement and vibration resistance in fine-thread applications
• Optimized drive efficiency with No. 2 Phillips head for secure installation and reduced cam-out risk
• Full threading along 3/8" length delivers maximum grip strength and uniform clamping force
• Comprehensive regulatory compliance meeting ASME B18.6.3 standards plus RoHS 3 and REACH environmental directives

Professional Applications & Engineering Value

These 10-32 UNF rounded truss head Phillips screws deliver exceptional engineering value in industrial fastening applications where corrosion resistance and reliable performance are critical. The passivated 18-8 stainless steel construction provides superior protection against oxidation and chemical exposure, making these fully threaded screws ideal for electronics enclosures, machinery assemblies, and outdoor equipment. The unique wide truss head design significantly increases bearing surface area, distributing clamping force more effectively to prevent damage to softer materials while maintaining secure fastening. With their fine UNF threads and Class 2A thread fit, these screws ensure precise engagement in tapped holes, reducing the risk of cross-threading and providing vibration resistance in dynamic applications. The combination of 70,000 psi tensile strength and Rockwell B70 hardness guarantees these fasteners maintain integrity under sustained mechanical loads.

Specification Summary & Compliance

This 10-32 UNF screw features precision Class 2A thread fit with fine thread spacing, ensuring consistent performance in industrial applications. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and mechanical properties. The fastener meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations regarding hazardous substances, confirming environmental responsibility and workplace safety standards. With a 3/8" length and 0.448" head diameter, these screws provide reliable fastening solutions while maintaining full regulatory compliance for industrial and commercial applications.