S-91770A146 6-32 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, ensuring long-term reliability in harsh environments.
• Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for high-stress applications.
• Wide truss head design provides enhanced load distribution and prevents surface damage during installation.
• Efficient installation with Phillips No. 2 drive and UNC coarse threading, reducing assembly time and effort.
• Precise thread fit with Class 2A tolerance, ensuring secure fastening and vibration resistance.
• Full threading coverage along the 3/8" length for maximum grip and holding power in various materials.
• Compliance with industry standards including ASME B18.6.3, RoHS 3, and REACH for safe, reliable use in regulated sectors.

Professional Applications & Engineering Value

These Phillips truss head screws are engineered to address common industrial challenges, such as corrosion-induced failure and loosening under vibration. Made from passivated 18-8 stainless steel, they resist oxidation and chemical exposure, making them ideal for outdoor equipment, marine hardware, and food processing machinery. The wide truss head distributes clamping force evenly, reducing the risk of material cracking in softer substrates. With UNC coarse threads and a Class 2A fit, they provide quick, reliable fastening in metal, plastic, and wood assemblies, minimizing rework and maintenance costs in production lines and structural applications.

Specification Summary & Compliance

This screw features a 6-32 UNC coarse thread with Class 2A dimensional accuracy, ensuring consistent performance. It meets ASME B18.6.3 specifications for dimensional and mechanical requirements, and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and safety-focused industries.