For use with an externally threaded Item that measures 0.138" and has 32 threads per inch Width Measured From Flat to Flat 5/16" Height 7/64" Hex Socket Drive 5/16" 18-8 Stainless Steel provides strength and offers good corrosion resistance in many environments.

A nut is a type of fastener with a threaded hole. Nuts are almost always used in conjunction with a mating bolt to fasten two or more parts together.