S-94792A732 1/4"-20 x 3/8" ASME B18.6.3 Stainless Steel Truss Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction and passivated finish, ideal for harsh industrial environments
• Exceptional mechanical strength delivering 100,000 psi tensile strength and Rockwell B100 hardness for reliable load-bearing performance
• Wide truss head design provides enhanced load distribution and prevents surface damage during installation
• Class 2A coarse UNC threads ensure quick assembly and secure fastening in various materials
• Full threading along 3/8" length offers maximum grip and adjustment flexibility in tight spaces
• No. 3 Phillips drive enables efficient installation with standard tools while resisting cam-out
• Full regulatory compliance with ASME B18.6.3, RoHS, and REACH standards for global industrial applications

Professional Applications & Engineering Value

This 1/4-20 UNC rounded truss head screw delivers critical engineering advantages where corrosion resistance and structural integrity are paramount. The 316 Stainless Steel composition, enhanced by passivated finish, provides exceptional protection against chemical exposure and atmospheric corrosion in marine, chemical processing, and food industry applications. The unique truss head design offers significantly larger bearing surface than standard heads, distributing clamp load effectively to prevent material deformation and maintain joint integrity. With fully threaded coarse UNC threading and Class 2A fit, these screws enable rapid installation in sheet metal, plastics, and composite materials while maintaining vibration resistance. The combination of 100,000 psi tensile strength and Rockwell B100 hardness ensures reliable performance in high-stress assemblies, making them ideal for machinery, enclosures, and structural frameworks requiring durable fastening solutions.

Specification Summary & Compliance

This industrial-grade fastener maintains precise Class 2A thread fit with 1/4"-20 UNC coarse threads for consistent engagement and reliable performance. Manufactured to ASME B18.6.3 specifications for dimensional accuracy and mechanical properties. The screw is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. With complete threading along the 3/8" length and standardized No. 3 Phillips drive, this fastener delivers predictable performance in demanding industrial applications.