S-97763A504 8-32 x 5/16" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from Black-Oxide coated 18-8 Stainless Steel, ideal for harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and joint integrity
• Precise Class 3A thread fit provides excellent engagement and vibration resistance in assemblies
• Hex drive design allows for secure installation with standard tools, reducing slippage
• Fully threaded shank maximizes grip length and distributes stress evenly
• Compliance with ASME B18.3, RoHS 3, and REACH guarantees quality and environmental safety
• Rockwell B55 hardness maintains durability and resists wear over repeated use

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these 8-32 UNC thread screws with Black-Oxide 18-8 Stainless Steel construction address critical challenges like corrosion and mechanical failure. The coarse thread and Class 3A fit ensure quick, secure fastening in materials prone to stripping, while the rounded head and hex drive facilitate easy installation in tight spaces. Ideal for machinery, electronics, and outdoor equipment, they provide long-term reliability by resisting moisture, chemicals, and high-stress conditions, reducing maintenance needs and downtime in industrial applications.

Specification Summary & Compliance

This screw adheres to ASME B18.3 standards with precise UNC coarse threads and Class 3A thread fit for consistent performance. Dimensions include a 5/16" length and 8-32 thread size, ensuring compatibility with standard components. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental safety and material integrity for global supply chains.