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The VALUE COLLECTION R50000024 is a 1/2-13 UNC hex lock nut with a nylon insert locking mechanism, manufactured from Grade 2 steel with a zinc-plated finish. The nylon insert grips the mating bolt threads under vibration and torque, resisting loosening without requiring thread-locking compounds. Standing 21/64 inches high with a 3/4-inch width across flats, this nut fits standard 1/2-13 UNC fastener applications across a wide range of mechanical, structural, and equipment assembly work. Licensed tradespeople and assembly technicians install this fastener wherever a reliable, reusable locking nut is required.
This hex lock nut is suited for general-purpose fastening in residential and light commercial construction, HVAC equipment assembly, plumbing fixture mounting, and electrical enclosure work. The zinc plating provides corrosion resistance in mild indoor and sheltered outdoor environments. Right-hand thread direction conforms to standard UNC fastener practice, making it compatible with the vast majority of 1/2-13 bolts and threaded rod encountered in trade applications.
Designed as a standard replacement or new-installation fastener for 1/2-13 UNC threaded bolts and threaded rod in general mechanical and structural assemblies.
Install and remove using a 3/4-inch wrench or socket driver. Power down or de-energize any equipment before accessing fastener points on live mechanical or electrical assemblies. The nylon insert is rated for a limited number of reuse cycles; inspect the insert for wear or deformation before reinstalling a previously used nut. Follow applicable code requirements, including NEC or IFGC guidelines, when fastening components within code-governed systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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