Value Collection 34277 Hex Lock Nut 5/8-11 Nylon Insert

Product Description

The VALUE COLLECTION 34277 is a 5/8-11 hex lock nut with a nylon insert locking style, designed to resist loosening under vibration and torque. Made from Grade 2 steel with a zinc-plated finish, this nut provides reliable corrosion resistance for general-purpose fastening applications. It measures 49/64 inches in height with a 15/16-inch width across flats and follows a right-hand thread direction to the UNC fastener standard. Licensed tradespeople and maintenance technicians use this style of lock nut across a wide range of mechanical, HVAC, plumbing, and structural assembly work where secure thread locking is required.

This nylon insert lock nut is suited for residential and commercial applications where fasteners are subject to vibration or movement that could cause standard nuts to back off over time. The nylon insert creates interference with the bolt threads without damaging them, allowing disassembly and reuse in low-cycle maintenance situations. It is commonly used in equipment mounting, ductwork supports, pipe hangers, electrical panel brackets, and general mechanical assemblies. The zinc plating makes it appropriate for indoor and mildly corrosive environments.

Key Features

• Nylon insert locking mechanism resists loosening from vibration without damaging mating threads
• 5/8-11 UNC thread size for compatibility with standard inch-series bolts and studs
• Grade 2 steel construction for general-purpose load-bearing applications
• Zinc-plated finish provides corrosion resistance for indoor and mildly exposed environments
• Right-hand thread direction follows standard installation practice
• Compact 49/64-inch height suits space-limited fastening locations

Compatibility

Designed as a standard replacement or stock hex lock nut for 5/8-11 UNC threaded bolts and studs used in general mechanical and trade assembly applications.

Installation Notes

Install using a standard hex wrench or socket sized to the 15/16-inch width across flats. Power down or de-energize any equipment before accessing fastened assemblies in electrical or mechanical enclosures. Nylon insert lock nuts are intended for single or limited-cycle use — inspect the nylon insert for wear or deformation before reusing. Follow applicable mechanical and structural codes for torque and fastener selection in load-bearing assemblies.