S-91309A802 5/8"-11 x 2" ASME B18.2.1, ASTM A307 Low-Strength Steel Hex Head Screws

Key Features & Benefits at a Glance

• High tensile strength of 60,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure.
• Zinc plating finish provides excellent corrosion resistance, extending service life in harsh industrial environments.
• Class 2A thread fit with UNC coarse threading allows for easy installation and removal while maintaining secure fastening.
• Fully threaded design offers consistent grip along the entire length, enhancing load distribution and joint integrity.
• External hex drive and hex head enable quick, tool-friendly assembly with standard wrenches, improving efficiency.
• Rockwell B69 hardness delivers durability and wear resistance, minimizing deformation under stress.
• Compliance with ASME B18.2.1 and ASTM A307 guarantees quality and interchangeability, meeting rigorous industry standards.

Professional Applications & Engineering Value

These 5/8"-11 UNC hex head screws are engineered from steel with a zinc plated surface to combat corrosion in challenging settings like construction, machinery assembly, and structural frameworks. The coarse thread and Class 2A fit simplify alignment and reduce cross-threading risks, while the external hex drive ensures straightforward torque application. Ideal for heavy-duty industrial applications, they provide robust fastening solutions that withstand vibrations and high loads, enhancing operational safety and reducing maintenance needs.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including Class 2A thread fit and UNC thread type, with manufacturing conforming to ASME B18.2.1 and ASTM A307. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity for global industrial use.