S-92610A346 1/4"-20 x 1 1/2" ASTM A574 Torx Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 180,000 psi ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
• Superior torque transmission with Torx Plus IP30 drive minimizes cam-out and tool wear, allowing for precise installation and maintenance.
• Enhanced corrosion resistance from the black-oxide finish prolongs service life in demanding environments, lowering replacement frequency.
• Precise Class 3A thread fit provides consistent engagement and vibration resistance, improving assembly integrity and safety.
• Partially threaded design offers optimal clamping force control, ideal for applications requiring specific unthreaded shank sections.
• High hardness (Rockwell C39) maintains thread form and drive integrity under repeated use, ensuring long-term durability.
• Compliance with ASTM A574 guarantees material quality and manufacturing consistency, supporting engineering specifications.

Professional Applications & Engineering Value

This Black-Oxide Alloy Steel Socket Head Cap Screw is engineered to address critical challenges in machinery, automotive, and heavy equipment sectors. The Torx Plus IP30 drive delivers efficient torque transfer, reducing installation errors and stripping common in high-vibration settings. With a 1/4"-20 UNC coarse thread and Class 3A fit, it ensures secure fastening in dynamic loads, while the partially threaded configuration allows for precise joint clamping. The black-oxide surface treatment combats rust and wear, extending lifespan in humid or abrasive conditions. Ideal for assembly lines and structural frames, it combines high-strength performance with reliability, minimizing downtime and maintenance costs.

Specification Summary & Compliance

This screw adheres to inch system measurements with a length of 1-1/2" and thread size of 1/4"-20 UNC. It features a Class 3A thread fit for tight tolerances and is manufactured per ASTM A574 specifications. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring environmental safety and regulatory alignment for global industrial use.