Metallics JSQ5 Nuts 10-32 Square Nut St-zn (Jar 100)

The JSQ5 is a 10-32 square nut, so 32 threads per inch on a #10 machine screw thread. It mates with any 10-32 machine screw or threaded rod, which is the common size for strut fittings, device mounting and small bracket work.

Square nuts are made to sit flat against a channel lip or inside a slot so they cannot spin while you tighten, and Metallics lists the JSQ5 for channel and strut work along with electrical, plumbing and HVAC applications. The nut measures 33/64 across its flats per the published fastener width, so confirm your channel slot or recess will take that before you order a jar.

No. The JSQ5 is listed as not Buy American compliant and not ARRA compliant, with multiple countries of origin. For federally funded work with domestic sourcing language in the spec, you need a domestic fastener instead.

Zinc plated carbon steel. That is fine for dry interior electrical and mechanical work, but for wet, washdown or exterior locations you want stainless instead of zinc plated steel.

They ship in a jar of 100, and the jar is the minimum order unit, so one jar is 100 pieces. Metallics notes other sizes and quantities can be had on request.

Hardness runs Rockwell B68 to C32, which is a standard commercial carbon steel nut range, so it takes normal hand tightening on a 10-32 screw without the threads stripping or the body spreading. It is not a structural grade nut and should not be substituted where a graded hex nut is specified on a drawing.

A full jar comes in at 0.44 lbs, with the packaged jar measuring 3 x 3 x 2.15 inches. Light enough to throw several on a van shelf or into a parts bin without a second thought.