S-90128A402 7/16"-14 x 1" ASTM A574 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 PSI ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Superior corrosion resistance from zinc plating protects against rust and extends service life in harsh industrial environments.
• Precise Class 3A thread fit guarantees tight, secure fastening with minimal play, ideal for machinery and equipment assembly.
• High Rockwell C37 hardness provides excellent wear resistance and maintains thread integrity under repeated use.
• Hex socket drive design allows for easy installation and removal with standard tools, even in confined spaces.
• Coarse UNC threads enable quick assembly and strong holding power in a wide range of materials.
• Full compliance with ASTM A574 ensures consistent quality and reliability for critical engineering applications.

Professional Applications & Engineering Value

This 7/16"-14 UNC Socket Head Cap Screw is engineered from zinc-plated alloy steel to address common industrial challenges such as vibration loosening and environmental degradation. The coarse thread design and Class 3A fit provide superior grip and alignment in heavy-duty assemblies, minimizing the need for re-tightening. Its high tensile strength and Rockwell C37 hardness make it suitable for demanding sectors like automotive, aerospace, and machinery manufacturing, where precision and durability are paramount. The hex drive facilitates efficient installation in tight spaces, reducing labor time while ensuring a secure, tamper-resistant connection.

Specification Summary & Compliance

This socket head cap screw features a 7/16"-14 UNC coarse thread with Class 3A tolerance for precise fit, and is fully threaded for consistent engagement. Manufactured in compliance with ASTM A574 specifications, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and sustainability in industrial use.