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The VALUE COLLECTION 498004 is a pack of 10 steel hex jam nuts designed for use with Unified National Coarse (UNC) threaded fastener applications. Hex jam nuts are thin-profile nuts used primarily as locknuts — threaded onto a bolt or stud and tightened against a standard nut or bearing surface to prevent loosening under vibration or load. The right-hand thread direction conforms to standard fastener convention. These nuts are suited for general mechanical assembly, maintenance, and repair work across a range of trade and industrial applications.
Hex jam nuts of this type are commonly used in HVAC equipment frames, electrical enclosures, plumbing fixture mounting, and general mechanical assemblies where a low-profile locking nut is required. The UNC thread standard makes them compatible with the most widely used inch-series fastener systems in North American trade work. Each pack contains 10 nuts, making them practical for small repair jobs or bulk stocking in a service van or shop.
Designed for use with standard UNC inch-series threaded bolts and studs in general mechanical, HVAC, plumbing, and electrical assembly applications.
Hex jam nuts are installed by threading onto a bolt or stud and torquing against a primary nut using two wrenches held in opposition to lock both in place. Ensure the mating bolt or stud matches the UNC thread standard and appropriate size before installation. 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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