S-92423A145 5/16"-18 x 3/4" ASME B18.3, NAS1352N5-12, SAE AMS5731, SAE AMS5737 High-Strength A286 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength (160,000 psi) and yield strength (120,000 psi) for reliable performance in high-stress applications, reducing the risk of fastener failure.
• Superior corrosion resistance provided by A286 stainless steel and passivated finish, ensuring longevity in harsh or outdoor environments.
• High hardness (Rockwell C33) offers excellent wear resistance and maintains thread integrity under repeated use and high loads.
• Precision Class 3A thread fit ensures tight, secure fastening with minimal backlash, ideal for critical assemblies requiring high accuracy.
• Standard hex socket drive (1/4") allows for easy installation and removal with common tools, even in confined spaces.
• Full compliance with major standards including ASME B18.3, NAS1352N5-12, and SAE AMS5731/5737, guaranteeing consistent quality and interchangeability.
• Environmentally compliant with RoHS 3 and REACH regulations, making them suitable for use in regulated industries and global supply chains.

Professional Applications & Engineering Value

Engineered for demanding environments, this A286 Stainless Steel Socket Head Cap Screw delivers robust performance where standard fasteners fall short. The combination of high tensile strength (160,000 psi) and corrosion-resistant passivated finish makes it ideal for aerospace, automotive, and heavy machinery applications, where vibration, high temperatures, and exposure to corrosive elements are common. Its Class 3A thread fit and coarse UNRC thread provide secure, reliable clamping force, reducing the need for frequent maintenance or replacements. The socket head design with a 1/4" hex drive ensures easy access in tight spaces, streamlining assembly and disassembly processes. Trust in this industrial-grade cap screw to enhance the durability and reliability of your critical assemblies.

Specification Summary & Compliance

This socket head cap screw features a 5/16"-18 coarse thread with Class 3A fit, ensuring precise dimensional accuracy and reliable performance. It is manufactured in compliance with ASME B18.3, NAS1352N5-12, SAE AMS5731, and SAE AMS5737 specifications, guaranteeing adherence to rigorous industrial standards. Additionally, the product is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, meeting environmental and safety regulations for global use.