S-97135A434 1"-8 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through nylon insert locking that maintains secure fastening even under heavy loads
• Exceptional strength performance with Grade 8 classification, suitable for high-stress industrial applications
• Enhanced corrosion protection from black-oxide steel coating, extending service life in harsh environments
• Reliable high-temperature operation with nylon insert rated up to 220°F (104°C) without compromising locking performance
• Precise thread engagement with Class 2B fit and UNC coarse threading for quick installation and secure mating
• Easy installation and removal using standard tools with external hex drive design
• Compliance with environmental standards including REACH and RoHS 3 for global industrial applications

Professional Applications & Engineering Value

This Grade 8 nylon insert locknut delivers critical vibration resistance in demanding industrial environments where constant motion and shock loads threaten fastener integrity. The black-oxide steel construction provides essential corrosion protection while maintaining the high tensile strength required for heavy machinery, automotive assemblies, and structural applications. Engineered with UNC coarse threading and Class 2B thread fit, this locknut ensures reliable engagement and consistent clamping force, even in high-vibration scenarios. The nylon insert locking mechanism maintains its effectiveness up to 220°F, making it suitable for engine compartments, industrial equipment, and applications where thermal cycling occurs. Its external hex drive facilitates quick installation and removal using standard tools, reducing maintenance time and labor costs.

Specification Summary & Compliance

This locknut features precise 1"-8 UNC coarse threading with Class 2B thread fit for optimal engagement and consistent performance. Manufactured to meet Grade 8 strength requirements, it delivers reliable performance in high-stress applications. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental standards, ensuring safe use across global industrial markets. Dimensions include 1 7/16" width and 1 3/64" height for standard compatibility with industrial equipment and machinery.