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The VALUE COLLECTION MSC-52593480 is a 7/8-9 UNC hex nut machined from Grade 5 steel with a bright, uncoated finish. It features a right-hand thread pattern and measures 1.3125 inches across the flats with a height of 0.75 inches. This standard fastener is used to secure threaded assemblies in mechanical, structural, and industrial applications where Grade 5 steel strength is required. Electricians, plumbers, HVAC technicians, and general tradespeople reach for this nut when assembling equipment supports, pipe hangers, conduit racks, and similar hardware in both residential and commercial settings.
This hex nut is suited for general-purpose fastening tasks that call for a 7/8-9 UNC thread pitch. It fits standard 7/8-inch threaded rod and bolt stock. The uncoated finish is appropriate for interior applications or where a separate coating, plating, or treatment will be applied in the field. It is commonly used in mechanical rooms, equipment pads, structural supports, and utility installations across HVAC, plumbing, and electrical trades.
Designed as a standard UNC hex nut for use with any 7/8-9 threaded bolt, stud, or rod conforming to UNC thread standards.
Installation requires a standard 1-5/16-inch open-end, box-end, or socket wrench. Always power down or de-energize associated equipment before tightening fasteners on mechanical or electrical assemblies. Do not use this uncoated nut in outdoor or corrosive environments without appropriate protection. Follow applicable mechanical and structural codes for torque requirements based on the assembly being fastened.
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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