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The VALUE COLLECTION 93631 is a 7/16-20 UNF hex lock nut with a nylon insert locking mechanism, manufactured from 18-8 stainless steel with a bright, uncoated finish. The nylon insert creates friction against mating threads to resist loosening caused by vibration or dynamic loads without damaging the fastener or the threaded assembly. Each nut measures 29/64 inches high with a 5/8 inch width across flats. This package contains 50 nuts. Licensed trades and maintenance professionals working in corrosion-sensitive or sanitary environments rely on 18-8 stainless steel fasteners for their resistance to rust and oxidation.
These lock nuts are suited for mechanical, plumbing, HVAC, and general industrial assembly applications where vibration resistance and corrosion resistance are both required. The right-hand thread direction follows standard UNF fastener convention, making these compatible with standard 7/16-20 bolts and studs. They are commonly used in equipment panels, pipe flanges, brackets, and light-structural assemblies in both residential and commercial settings.
Designed for use with standard 7/16-20 UNF right-hand threaded bolts and studs in inch-measurement fastener systems.
Installation requires a standard 5/8 inch hex wrench or socket. Tighten using hand tools appropriate to the joint material and application — do not use impact drivers on nylon insert nuts, as excessive torque can damage the insert and reduce locking effectiveness. Confirm thread direction and thread size before installation. Always follow applicable mechanical codes and equipment manufacturer torque guidelines for the specific assembly.
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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