S-90920A146 6-32 x 3/8" ASME B18.6.3 Alloy Steel Torx Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ideal for harsh industrial environments.
• Enhanced torque transmission and reduced cam-out thanks to the T10 Torx drive design.
• Reliable, high-strength fastening with a tensile strength of 60,000 psi and Rockwell B70 hardness.
• Secure, precise thread engagement ensured by the UNC coarse threading with a Class 3A fit.
• Streamlined, low-profile installation with a standard flat head and 82° countersink angle.
• Full compliance with industry standards including ASME B18.6.3, RoHS 3, and REACH regulations.
• Versatile right-hand threading for standard assembly applications and ease of use.

Professional Applications & Engineering Value

This zinc-plated steel flat head screw is engineered to address common industrial challenges such as vibration loosening and corrosion. The T10 Torx drive provides superior torque control, minimizing tool slippage and damage during high-torque applications in machinery and equipment assembly. Its UNC coarse thread and Class 3A fit ensure quick, secure fastening in materials like metal and plastic, reducing installation time while maintaining joint integrity. The flat head design with an 82° countersink allows for a flush finish, preventing snagging and improving safety in automated systems. Fully compliant with ASME B18.6.3, it is a reliable choice for OEMs and maintenance teams requiring durable, regulation-adherent industrial screws.

Specification Summary & Compliance

This screw features precise UNC coarse threading with a Class 3A fit for accurate engagement. It is manufactured in accordance with ASME B18.6.3 specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met for industrial use.