S-92235A516 1/4"-20 x 3/8" Flanged Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional Durability: Black-oxide alloy steel construction provides superior corrosion resistance and long-lasting performance in harsh industrial environments.
• High Tensile Strength: Rated at 140,000 psi tensile strength for reliable load-bearing capacity and resistance to mechanical failure under stress.
• Precision Thread Fit: Class 3A UNC coarse threads ensure tight, secure fastening with reduced risk of cross-threading and improved assembly efficiency.
• Enhanced Grip & Stability: Integrated flange design distributes clamping force evenly, minimizing surface damage and preventing loosening from vibrations.
• Optimal Hardness: Rockwell C39 hardness offers excellent wear resistance, maintaining thread integrity and screw head durability through repeated use.
• Easy Installation: Standard hex socket drive (3/16") allows for high-torque application with common tools, speeding up maintenance and assembly processes.
• Regulatory Compliance: Meets RoHS 3 and REACH standards, ensuring safe, environmentally responsible use in global industrial supply chains.

Professional Applications & Engineering Value

Engineered for demanding applications, these socket head cap screws deliver reliable performance in machinery, automotive assemblies, and heavy equipment where vibration resistance and structural integrity are critical. The black-oxide alloy steel material combats rust and wear, while the UNC coarse threads with Class 3A fit provide swift, precise engagement—reducing installation time and preventing thread stripping. The flanged design eliminates the need for separate washers, offering a streamlined solution for compact spaces and high-stress joints. Ideal for OEM manufacturing and MRO operations, these screws ensure consistent clamping force and long-term reliability in industrial fastening systems.

Specification Summary & Compliance

This screw adheres to UNC 1/4"-20 coarse thread standards with Class 3A precision tolerance for accurate fit. It is fully threaded and right-hand oriented, with a 3/16" hex drive and standard socket head profile. Manufacturing complies with RoHS 3 (2015/863/EU) under exemption 6(a) and REACH (EC 1907/2006) regulations, confirming environmental and safety adherence for industrial use.