Elec Shop Kit offers a 5/16 inch American threaded HU nut. It has an American thread of 18 threads per inch. It is made of zinc and hexagonal shaped fine finish (HU).
758-HUZ5.1618GR5
Data sheet
Weight (kg) :
0.005
Diameter (mm) :
5/16 inch
Materials:
Galvanized steel
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