S-95140A171 1"-8 Hex Nuts

Key Features & Benefits at a Glance

• Left-hand threading provides secure fastening in applications where standard right-hand threads could loosen from counter-rotational forces
• Grade 5 steel construction delivers excellent tensile strength and reliable performance in demanding industrial environments
• 1"-8 UNC coarse threading enables faster installation and superior resistance to vibration loosening compared to fine threads
• Class 2B thread fit ensures consistent, reliable engagement with mating components while maintaining installation efficiency
• External hex drive design offers superior torque transmission and compatibility with standard wrenching tools
• RoHS 3 & REACH compliance guarantees environmental responsibility and workplace safety standards
• Heavy-duty 1-1/2" width provides substantial bearing surface for enhanced load distribution and joint integrity

Professional Applications & Engineering Value

This left-hand hex nut addresses critical engineering challenges in applications subject to reverse rotational forces, where conventional right-hand threaded fasteners would progressively loosen. The Grade 5 steel composition provides a optimal balance of strength and ductility, making it ideal for heavy-duty industrial equipment, automotive assemblies, and construction machinery that experience significant dynamic loads. The 1"-8 UNC coarse thread configuration offers superior resistance to vibration-induced loosening while facilitating rapid assembly in field conditions. With its external hex drive and precise Class 2B thread fit, this nut ensures reliable performance in demanding environments where fastener integrity is paramount to operational safety and equipment longevity.

Specification Summary & Compliance

This heavy-duty hex nut features 1"-8 UNC left-hand coarse threading with Class 2B thread fit tolerance, ensuring precise mating with corresponding threaded components. Manufactured from Grade 5 steel with dimensions of 1-1/2" width and 55/64" height, it conforms to UNC thread standards. The product is fully RoHS 3 (2015/863/EU) compliant and meets REACH (EC 1907/2006) requirements, including the latest SVHC updates, ensuring environmental responsibility and regulatory adherence for industrial applications.