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The VALUE COLLECTION L52CLC1011 is a 5/8-11 UNC hex lock nut designed for secure fastening in applications where vibration resistance is required. The distorted-thread locking style creates mechanical interference on installation, eliminating the need for a separate lock washer or secondary locking element. Constructed from Grade C steel with a clear cadmium plating, this nut provides corrosion resistance suitable for general industrial and mechanical assembly work. At 35/64 inches high with a 15/16-inch width across flats, it follows standard UNC inch-system dimensions and seats with a standard hex wrench or socket.
This hex lock nut is suited for residential and commercial mechanical assemblies, structural connections, and equipment maintenance where a reusable, torque-resistant fastener is needed. The right-hand thread direction and UNC thread form make it compatible with standard 5/8-11 threaded rod, bolts, and studs commonly found in HVAC equipment mounting, plumbing fixture support, and general trade applications. It is sold individually with a minimum order quantity of 5 units.
Designed for use with standard 5/8-11 UNC threaded fasteners including bolts and threaded rod in inch-system mechanical assemblies.
Installation is performed by hand-tightening onto a mating 5/8-11 threaded bolt or rod, then torquing with a standard hex socket or open-end wrench. Ensure the mating thread is clean and free of debris before installation, as the distorted-thread locking feature engages on first use. This nut is reusable but locking effectiveness may diminish after multiple removal and reinstallation cycles. Follow applicable mechanical and structural codes for torque requirements based on joint type and material.
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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