S-97135A448 1 1/2"-8 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through nylon insert locking technology that maintains secure fastening in high-motion environments
• Exceptional temperature tolerance with nylon insert rated for continuous operation up to 220°F without compromising locking performance
• Heavy-duty strength certification with Grade 8 classification ensuring reliable performance in demanding industrial applications
• Optimized thread engagement through UNC coarse threading and Class 2B fit for faster assembly and reduced cross-threading risk
• Enhanced corrosion protection with black-oxide steel finish providing durable surface resistance in various operating conditions
• Standard external hex design for compatibility with common wrenching tools and straightforward installation
• Regulatory compliance assurance meeting both REACH and RoHS 3 standards for environmentally conscious manufacturing

Professional Applications & Engineering Value

This Grade 8 heavy-duty locknut delivers critical vibration resistance where conventional fasteners fail. The nylon insert locking mechanism creates consistent friction against mating threads, effectively preventing loosening under dynamic loads and thermal cycling. Engineered with UNC coarse threads and Class 2B thread fit, this black-oxide steel locknut ensures reliable performance in heavy machinery, construction equipment, automotive assemblies, and industrial manufacturing applications. The combination of high-temperature nylon insert (rated to 220°F) and external hex drive style provides maintenance-free security while accommodating standard installation tools. This solution addresses common challenges of joint integrity loss in vibration-intensive environments while meeting stringent industry compliance requirements.

Specification Summary & Compliance

This 1 1/2"-8 UNC locknut features Class 2B thread fit tolerances with coarse thread spacing for optimal engagement. Manufactured to Grade 8 strength classification standards with dimensions of 2 25/64" width and 1 59/64" height. The product is fully compliant with REACH (EC 1907/2006) regulations and RoHS 3 (2015/863/EU) directives, ensuring environmental responsibility while maintaining industrial performance requirements. Right-hand thread direction and external hex drive style provide standardized installation compatibility across industrial applications.