Value Collection 34276 Hex Lock Nut 1/2-13 Nylon Insert

Product Description

The VALUE COLLECTION 34276 is a nylon insert hex lock nut designed to resist loosening under vibration and dynamic loads. It uses a nylon collar pressed into the top of the nut body that deforms around the mating thread, creating resistance without damaging the bolt. The nut is manufactured from Grade 2 steel with a zinc-plated finish for basic corrosion resistance. It uses a right-hand, 1/2-13 UNC thread form and measures 39/64 inches in height with 3/4 inches across the flats. This fastener is installed by plumbers, pipefitters, electricians, HVAC technicians, and general mechanical trades wherever a reusable prevailing-torque lock nut is required.

This nut is suited for light-to-medium duty fastening applications in residential and light commercial construction, mechanical rooms, equipment mounting, and structural assemblies. The 1/2-13 UNC thread is one of the most common coarse-thread sizes in trade work, making this nut a standard replacement or supplemental fastener across a wide range of applications. The zinc plating provides modest protection in dry or mildly humid indoor environments. Minimum order quantity is 50 pieces per order.

Key Features

• Nylon insert locking style provides prevailing-torque resistance without damaging the bolt thread
• 1/2-13 UNC right-hand thread — one of the most common coarse-thread sizes in mechanical and trade applications
• Grade 2 steel construction suitable for general-purpose light-to-medium duty fastening
• Zinc-plated finish for basic corrosion protection in dry indoor environments
• 39/64 inches height and 3/4 inches across the flats — fits standard 3/4-inch hex wrench or socket
• Reusable design allows removal and reinstallation, though locking torque diminishes with repeated cycling

Compatibility

Designed as a general-purpose replacement or stock fastener for any application requiring a 1/2-13 UNC nylon insert hex lock nut in Grade 2 steel with a zinc-plated finish.

Installation Notes

Installation does not require specialized tools — a standard 3/4-inch wrench or socket is sufficient. Nylon insert lock nuts are single-use by design in critical applications, as the nylon deforms upon first installation and provides reduced locking torque on subsequent uses. Always verify thread size and grade requirements before installation, particularly in load-bearing or code-governed assemblies. Follow applicable mechanical and structural codes for fastener grade and torque requirements.