S-91236A679 7/16"-14 x 2 1/2" ASME B18.2.1, ASTM A307 Low-Strength Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating, extending service life in demanding industrial environments
• High tensile strength of 60,000 psi ensures reliable performance under heavy loads and vibration
• Rockwell B69 hardness provides excellent durability and resistance to wear and deformation
• Coarse UNC thread design offers faster assembly and better performance in softer materials
• Class 2A thread fit guarantees consistent, precise engagement for smooth installation
• External hex drive enables high-torque application with standard tools for efficient maintenance
• Partial threading optimizes clamping force distribution for secure fastening in structural applications

Professional Applications & Engineering Value

This 7/16"-14 UNC hex head screw delivers exceptional engineering value for industrial applications where reliability and compliance are critical. Manufactured from Grade 2 steel with zinc plating, it provides superior corrosion protection in manufacturing equipment, structural frameworks, and machinery assembly. The coarse thread configuration ensures rapid installation and superior holding power in wood, soft metals, and composite materials, while the partial threading design concentrates clamping force precisely where needed. Meeting ASME B18.2.1 specifications, these industrial hex bolts maintain dimensional accuracy and performance consistency across high-vibration environments, making them ideal for construction, automotive, and heavy equipment applications where failure is not an option.

Specification Summary & Compliance

This hex head screw features Class 2A thread fit per UNC standards with precise dimensional tolerances. Manufactured in accordance with ASME B18.2.1 specifications and ASTM A307 material standards. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors.