S-91770A144 6-32 x 1/4" ASME B18.6.3 Stainless Steel Truss Head Phillips Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from passivated 18-8 stainless steel construction for long-lasting performance in demanding environments
• Superior load distribution thanks to the wide truss head design that reduces surface pressure and prevents material damage
• High-strength reliability with 70,000 psi tensile strength and Rockwell B70 hardness for secure fastening in industrial applications
• Optimized driving efficiency through Phillips No. 2 drive design that provides excellent torque transfer and reduces cam-out
• Quick installation enabled by UNC coarse threading that facilitates faster assembly and reduces cross-threading risks
• Precise thread engagement with Class 2A thread fit ensuring consistent performance and reliable connections
• Full-thread coverage along the entire 1/4" length for maximum grip strength and vibration resistance

Professional Applications & Engineering Value

These passivated 18-8 stainless steel truss head screws deliver exceptional engineering value across multiple industrial sectors. The combination of corrosion-resistant material and wide truss head profile solves critical challenges in applications where both environmental durability and surface protection are paramount. The UNC coarse threading with Class 2A fit ensures rapid installation in production environments while maintaining precision alignment. Particularly valuable in electrical enclosures, sheet metal assemblies, and industrial equipment, these Phillips drive screws provide reliable fastening where vibration resistance and long-term performance are essential. The fully threaded design maximizes engagement in thin materials while the wide bearing surface distributes clamping force effectively, preventing damage to sensitive substrates.

Specification Summary & Compliance

Manufactured to exacting standards with Class 2A thread fit tolerance and UNC coarse thread specifications. These 6-32 x 1/4" screws comply with ASME B18.6.3 manufacturing standards and meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements. The fully threaded design maintains consistent 0.138" thread diameter throughout the 1/4" length, ensuring reliable performance in industrial fastening applications.