S-92501A538 7/8"-14 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through distorted thread top lock technology, preventing loosening in high-stress environments
• Enhanced corrosion protection with zinc-plated steel construction, extending service life in demanding industrial conditions
• High-strength performance meeting ASTM Grade C specifications, ensuring reliable fastening under heavy loads
• Precision fine threading (7/8"-14 UNF) with Class 2B fit for smooth installation and secure engagement
• Standard external hex design for easy installation and removal with common tools
• Compliance with environmental regulations including REACH and RoHS 3, suitable for global industrial applications
• Right-hand thread configuration for standard assembly procedures and compatibility with existing systems

Professional Applications & Engineering Value

This zinc-plated steel locknut with distorted thread top lock technology addresses critical vibration-induced loosening challenges in industrial machinery, automotive assemblies, and heavy equipment. The 7/8"-14 UNF fine thread configuration provides increased thread engagement and superior clamping force compared to coarse threads, while the Class 2B thread fit ensures consistent performance across multiple installations. The external hex drive style allows for efficient installation in confined spaces using standard wrenches. Engineered for ASTM Grade C strength, this locknut maintains integrity under dynamic loads and thermal cycling, making it ideal for applications requiring reliable, long-term fastening solutions in manufacturing, construction, and transportation sectors.

Specification Summary & Compliance

This locknut features precision 7/8"-14 UNF fine threads with Class 2B tolerance for consistent fit and performance. Manufacturing complies with ASTM Grade C strength requirements and incorporates distorted thread top lock technology. The product meets REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) compliance standards, ensuring environmental responsibility. Dimensions include 1 5/16" width across flats and 3/4" height with right-hand thread orientation for standard industrial applications.