S-90040A130 3/8"-24 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through center lock distorted thread design that maintains clamping force under dynamic loads
• Enhanced corrosion protection with zinc-plated steel construction for extended service life in industrial environments
• Precise thread engagement with Class 2B fine thread fit ensuring reliable performance and reduced loosening risk
• Industry-standard compatibility with 3/8"-24 UNF thread specifications for seamless integration into existing assemblies
• Easy installation and removal using standard wrench tools thanks to the external hex drive design
• Grade 2 strength certification providing dependable mechanical performance for general industrial applications
• Environmental compliance assurance meeting both RoHS 3 and REACH standards for safe usage

Professional Applications & Engineering Value

This Grade 2 zinc-plated steel locknut with center lock distorted thread technology addresses critical vibration-induced loosening challenges in industrial machinery, automotive assemblies, and equipment manufacturing. The 3/8"-24 UNF fine thread configuration combined with the distorted thread locking mechanism creates consistent friction along the mating surface, effectively resisting rotational forces without requiring additional locking components. The external hex drive facilitates quick installation while maintaining accessibility in confined spaces. Engineered for industrial locknut applications where reliability is paramount, this solution eliminates downtime caused by fastener failure while providing zinc-plated corrosion resistance for extended service intervals in demanding environments.

Specification Summary & Compliance

This locknut features Class 2B thread fit tolerance with 3/8"-24 UNF fine thread specifications and right-hand thread direction. Manufacturing complies with standard industrial dimensions of 9/16" width and 21/64" height. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant regarding substance restrictions. Grade 2 strength classification ensures mechanical performance meets industry requirements for general purpose applications.