Value Collection 39628 Hex Lock Nut 3/4-10 Grade 8

Product Description

The VALUE COLLECTION 39628 is a 3/4-10 hex lock nut with a nylon insert locking mechanism, manufactured from Grade 8 steel with an uncoated finish. The nylon insert creates interference with the bolt threads to resist loosening under vibration and dynamic loads without damaging the mating fastener. Standing 7/8 inches high with a 1-1/16 inch width across flats, this nut follows Unified National Coarse (UNC) thread standards and a right-hand thread direction. It is suited for high-strength bolted assemblies where reliable prevailing torque retention is required.

This hex lock nut is used in structural, mechanical, and industrial fastening applications where Grade 8 strength and vibration resistance are required. Typical uses include heavy equipment assembly, frame fabrication, suspension components, and industrial machinery. The nylon insert style is appropriate for joints that require re-use potential without sacrificing clamping reliability. Minimum order quantity is 10 pieces; each package contains 1 piece.

Key Features

• Nylon insert locking style provides prevailing torque resistance without thread damage
• Grade 8 steel construction for high-strength fastening applications
• 3/4-10 UNC thread size, right-hand thread direction
• Uncoated finish suitable for use as-is or with additional corrosion protection applied in the field
• Height of 7/8 inches and 1-1/16 inch width across flats for standard wrench compatibility

Compatibility

Designed as an OEM-style replacement or general-use hex lock nut for 3/4-10 UNC threaded fastener applications requiring Grade 8 strength.

Installation Notes

Installation is performed with a standard open-end, box-end, or socket wrench sized for 1-1/16 inch across flats. Always de-energize or power down any associated equipment before accessing fastened assemblies. The nylon insert is a single-use locking feature by design — inspect the insert for wear or deformation before re-using a removed nut. Follow applicable industry codes and torque specifications for the equipment or structure being serviced.