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The VALUE COLLECTION CLNI20750-050BX is a two-way hex lock nut with a distorted thread locking style, sized 3/4-10 UNC with a right-hand thread direction. Made from Grade 2 steel with a zinc-plated finish, this nut resists loosening caused by vibration and torque without the need for separate locking inserts or chemical compounds. It measures 41/64 inches in height with a 1-1/8 inch width across flats. Plumbers, HVAC installers, electricians, and general mechanical contractors use these fasteners in a wide range of structural and mechanical assembly applications where a reliable, low-profile locking fastener is required.
These lock nuts are suited for residential and light commercial installations wherever 3/4-10 UNC threaded fastening is specified. The distorted thread design creates interference with the mating bolt thread, providing resistance to back-off under load or vibration. They are commonly used in equipment mounting, pipe support brackets, duct hangers, and mechanical panel assemblies across HVAC, plumbing, and electrical trades. This listing covers a minimum order quantity of 50 units, making it appropriate for stocking service vans, supply rooms, or job site kits.
Designed for use with standard 3/4-10 UNC threaded bolts and studs in general mechanical, HVAC, plumbing, and electrical installation applications.
Installation is appropriate for any trade working with 3/4-10 UNC fastener assemblies. De-energize equipment and relieve system pressure before servicing any assembly that requires fastener replacement. Use a properly sized wrench matched to the 1-1/8 inch across-flats dimension to avoid fastener damage. Follow applicable codes and torque guidelines for the specific structural or mechanical application.
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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