S-90600A224 8-32 x 5/16" ASME B18.3, ASTM F879 Stainless Steel Button Head Torx Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
• Enhanced torque transmission and reduced cam-out thanks to the T15 Torx drive, ensuring secure fastening and tool longevity.
• High tensile strength of 60,000 psi provides reliable clamping force and resistance to mechanical loads.
• Precise Class 3A thread fit on the 8-32 UNC coarse thread ensures easy starting and consistent engagement in tapped holes.
• Fully threaded design offers maximum grip length and holding power along the entire 5/16" shank.
• Rounded (button) head profile delivers a finished appearance and reduces the risk of snagging in assembled products.
• Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH, ensuring material safety and performance reliability.

Professional Applications & Engineering Value

This 8-32 UNC T15 Torx Rounded Head Screw is engineered to address common fastening challenges in demanding industrial applications. The combination of 18-8 Stainless Steel and a passivated finish provides exceptional resistance to oxidation and chemical exposure, making it suitable for electronics, machinery, and outdoor equipment where environmental durability is critical. The T15 Torx drive minimizes tool slippage, preventing damage to the screw head and allowing for higher torque application compared to traditional drives. Its coarse UNC threading and Class 3A fit ensure rapid assembly and a secure hold in various materials, reducing the risk of cross-threading and improving production line efficiency. The rounded head style offers a low-profile, aesthetically pleasing finish that is also safer for user-facing components.

Specification Summary & Compliance

This screw features a Class 3A thread fit for high precision, conforming to the UNC (Unified Coarse) thread standard. It is manufactured to meet the dimensional requirements of ASME B18.3 and is fully threaded with a right-hand thread direction. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of restricted hazardous substances and safe for use in various markets.