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The VALUE COLLECTION KP80541 is a 1-1/4-7 UNC hex nut manufactured from Grade 8 steel with a zinc clear finish. Hex nuts at this thread size and grade are designed for high-strength fastening applications where clamping load and tensile performance are critical. The right-hand thread conforms to Unified National Coarse (UNC) standards. At 1-7/8 inches across the flats and 1-1/16 inches in height, this nut is sized for use with 1-1/4-inch diameter fasteners. Installers in mechanical, structural, and industrial maintenance trades will recognize this as a standard heavy-duty hex nut for demanding bolted joints.
This hex nut is suited for structural assemblies, equipment mounting, and mechanical installations where Grade 8 strength is required. Common applications include heavy equipment frames, structural steel connections, and industrial machinery. The zinc clear finish provides a basic level of corrosion resistance for general indoor and sheltered outdoor use. This nut ships in a package quantity of 10, making it practical for both single-use repairs and small batch assembly work.
Designed for use with 1-1/4-7 UNC threaded fasteners including bolts and threaded rod meeting UNC standards. Thread direction is right-hand only.
Installation is performed by mechanical and structural trades using standard open-end, box-end, or impact wrenches sized for a 1-7/8-inch hex. Always ensure the mating bolt or threaded rod is the same thread standard (UNC) and grade before assembly. De-energize or lock out any connected equipment before servicing fasteners in live mechanical systems. Do not mix Grade 8 nuts with lower-grade fasteners in high-load joints.
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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