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The STEWART FASTENER J25NHZ is a jar of 100 finished hex nuts in the 1/4-20 thread size. Finished hex nuts are standard fastening hardware used throughout HVAC, plumbing, electrical, and mechanical installations wherever a clean, fully machined nut is required. The 1/4-20 designation refers to a 1/4-inch nominal diameter with 20 threads per inch, a coarse-thread pattern that is one of the most common in trade applications. These nuts are sold individually per jar, making it straightforward to stock and dispense on the job site or out of a service vehicle.
Finished hex nuts in the 1/4-20 size see regular use in equipment mounting, panel assembly, conduit support, and general mechanical fastening across residential and light commercial trade work. The jar packaging keeps hardware organized and reduces loss on multi-day jobs. Suitable for use wherever a standard hex nut of this thread pitch is called out in an assembly or repair procedure.
Designed as a general-purpose replacement or stock fastener for any application requiring a standard 1/4-20 finished hex nut.
Finished hex nuts are installed by licensed tradespeople and general mechanics using standard hex wrenches or nut drivers. Always match the nut thread class and material to the bolt or stud specification for the assembly. Do not mix thread standards — confirm 1/4-20 UNC before installation. Follow applicable code requirements for fastener grade and torque as specified in the equipment manufacturer documentation.
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