Value Collection R52001108 Hex Jam Nut 1-1/2 12 Un

Product Description

The VALUE COLLECTION R52001108 is a 1-1/2 inch - 12 UN right-hand thread hex jam nut manufactured from steel with a zinc-plated finish. Hex jam nuts are thin profile nuts used to lock a standard nut in place or to secure a fastener assembly where axial space is limited. This nut measures 2-1/4 inches across the flats and stands 27/32 inches high, conforming to UN thread standards. It is a general-purpose fastener appropriate for mechanical assembly, maintenance, and repair applications across industrial, HVAC, plumbing, and construction trades.

This hex jam nut is suited for use in mechanical assemblies requiring a 1-1/2 inch - 12 UN right-hand thread locknut. The zinc-plated steel construction provides moderate corrosion resistance for indoor and light-duty outdoor environments. It is commonly used in equipment mounting, shaft locking, and structural fastener stacks where a thin nut profile is required to conserve thread engagement space or to serve as a jam-locking element against a primary nut.

Key Features

• 1-1/2 inch - 12 UN right-hand thread for standard UN fastener compatibility
• Hex profile measures 2-1/4 inches across flats for standard wrench engagement
• Low-profile design at 27/32 inches high for space-limited assemblies
• Steel construction with zinc-plated finish for corrosion resistance
• Right-hand thread direction for conventional tightening

Compatibility

Designed for use with 1-1/2 inch - 12 UN right-hand threaded fasteners and bolts in general mechanical and industrial assembly applications.

Installation Notes

Install using a standard open-end or box wrench sized to the 2-1/4 inch across-flats dimension. Thread the jam nut onto the bolt or shaft and tighten it against the primary nut or mating surface to lock the assembly. Power down or de-energize any equipment before servicing fastener assemblies on live systems. Do not exceed the load ratings of the base fastener or mating thread.