S-90920A293 3/8"-16 x 1" ASME B18.6.3 Alloy Steel Torx Flat Head Screws

Key Features & Benefits at a Glance

• Superior torque transmission with T40 Torx drive design, preventing cam-out and ensuring secure fastening in demanding applications
• Enhanced corrosion resistance through zinc-plated steel construction, providing durable protection in industrial environments
• Flush, professional finish achieved with 82° countersink angle and flat head design for seamless surface mounting
• High-strength performance with 60,000 psi tensile strength, ensuring reliable fastening in heavy-duty applications
• Optimized thread engagement through UNC coarse threading and Class 2A fit, facilitating quick installation and vibration resistance
• Full-thread coverage along the 1" length for maximum grip strength and load distribution
• Regulatory compliance assurance meeting ASME B18.6.3 standards and environmental regulations for global industrial use

Professional Applications & Engineering Value

These 3/8"-16 UNC flat head screws deliver exceptional engineering value in industrial fastening applications where precision and reliability are paramount. The zinc-plated steel construction provides essential corrosion protection for machinery, equipment assemblies, and structural components exposed to challenging environments. The T40 Torx drive system addresses common installation challenges by eliminating screw head stripping and enabling higher torque application compared to traditional drive types. The 82° countersink angle ensures perfect flush mounting in predrilled surfaces, creating smooth finishes critical in automotive, manufacturing, and metal fabrication applications. With fully threaded coarse pitch design, these screws offer superior holding power in materials where vibration resistance and quick assembly are essential operational requirements.

Specification Summary & Compliance

This high-performance flat head screw features precise Class 2A thread fit tolerance with 3/8"-16 UNC coarse threads and right-hand threading direction. Manufacturing and dimensional specifications strictly comply with ASME B18.6.3 standards, ensuring interchangeability and reliability. The product maintains full compliance with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) requirements, making it suitable for global industrial distribution and environmentally conscious procurement programs.