S-92620A235 1"-14 x 3" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 150,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Rockwell C33 hardness rating provides superior wear resistance and durability, extending service life in demanding environments.
• Zinc yellow-chromate plating offers excellent corrosion protection, ideal for outdoor or humid industrial settings.
• 1"-14 extra fine thread with Class 2A fit delivers precise engagement and superior vibration resistance for secure, long-lasting connections.
• Fully threaded design allows for maximum grip and load distribution across the entire length, enhancing joint integrity.
• External hex drive and hex head facilitate easy installation and removal with standard tools, improving assembly efficiency.
• Grade 8 classification guarantees consistent quality and high mechanical properties for critical heavy-duty applications.

Professional Applications & Engineering Value

This Grade 8 hex head screw is engineered to address common industrial challenges such as joint loosening under dynamic loads and corrosion-induced degradation. The 1"-14 extra fine thread and Class 2A fit provide tight tolerances that minimize backlash and resist vibration, making it ideal for machinery, structural assemblies, and automotive components where precision is paramount. Constructed from high-strength steel and finished with zinc yellow-chromate plating, it combats harsh environmental conditions, reducing maintenance needs. Its fully threaded design ensures uniform stress distribution, preventing premature failure in heavy-duty applications like construction equipment and industrial frames, thereby enhancing operational reliability and safety.

Specification Summary & Compliance

This fastener features a 1"-14 extra fine thread with Class 2A thread fit for precise dimensional accuracy, adhering to UNS thread standards. It meets ASME B18.2.1 and SAE J429 specifications for manufacturing consistency and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it ensures environmental safety and regulatory adherence in global supply chains.