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The VALUE COLLECTION R52001299 is a 7/8-9 UN steel hex nut with a right-hand thread direction and a zinc-plated finish. It measures 1-5/16 inches across the flats and stands 3/4 inches high. Manufactured from steel, this hex nut is suited for standard fastening applications where a unified national thread form is required. The zinc plating provides a basic level of corrosion resistance for general-purpose use. This type of fastener is a staple in mechanical assembly, structural connections, and equipment maintenance across plumbing, HVAC, and electrical trade work.
This hex nut is intended for use in general industrial and trade fastening applications requiring a 7/8-9 UN thread. It is compatible with any standard 7/8-9 UN threaded bolt or stud with a right-hand thread. Typical installation scenarios include securing pipe supports, equipment brackets, and mechanical assemblies in commercial and residential settings. It is sold individually but carries a minimum order quantity of 25 units, making it appropriate for stocking or job-lot purchasing.
Designed for use with standard 7/8-9 UN right-hand threaded bolts and studs. Does not meet military specifications.
Installation is performed by hand-threading onto a compatible 7/8-9 UN bolt or stud, then tightening with a standard 1-5/16 inch wrench or socket. Always ensure threads are clean and free of debris before installation to avoid galling or cross-threading. Apply fastener torque in accordance with the relevant project specifications or applicable codes such as ASME or manufacturer guidelines. Do not use this nut in applications requiring military-specification hardware.
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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