S-91785A535 1/4"-20 x 3/8" ASME B18.6.3 Stainless Steel Truss Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel and passivated finish for long-lasting performance in harsh environments
• High mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for reliable load-bearing applications
• Wide truss head design provides excellent load distribution and prevents pull-through in softer materials
• Easy installation and removal with standard slotted drive and fully threaded Class 2A UNC coarse threads
• Industry compliance assurance meeting ASME B18.6.3 specifications for dimensional accuracy and performance
• Environmental regulation compliance with RoHS 3 and REACH standards for safe use across industries
• Versatile right-hand threading with coarse thread spacing for quick assembly in various materials

Professional Applications & Engineering Value

Our 1/4-20 UNC Rounded Truss Head Screws deliver exceptional engineering value through their 18-8 Stainless Steel construction and passivated finish, providing superior protection against corrosion in demanding environments. The wide truss head profile offers enhanced bearing surface, distributing clamping force effectively to prevent material damage in sheet metal, plastics, and electronic enclosures. These fully threaded screws with Class 2A thread fit ensure consistent engagement depth and reliable fastening in industrial assembly applications. The combination of 100,000 psi tensile strength and coarse thread spacing makes them ideal for vibration-resistant connections in machinery, transportation equipment, and outdoor structures where mechanical integrity and corrosion resistance are critical.

Specification Summary & Compliance

These rounded truss head screws feature precise 1/4"-20 UNC coarse threads with Class 2A thread fit for consistent dimensional accuracy. Manufacturing follows ASME B18.6.3 specifications for dimensional standards and performance requirements. The screws are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. With 3/8" length and right-hand threading, these components meet rigorous quality standards for industrial fastening applications.