Threaded Nut

A threaded nut is a general purpose fastener with an internal thread that joins to a bolt or stud. It holds parts together and can be removed for maintenance.

A threaded nut fastens a mating bolt or stud. It usually takes a washer under its face and a spanner or socket of the matching size.

This kind of nut is usually made in carbon steel or stainless steel. Carbon steel suits general work and stainless steel suits damp or outdoor conditions.

This is a general guide to checking this kind of part. It says nothing about any supplier's parts.

Ask for a certificate of conformance and a mill test certificate if the material grade matters. On receipt, check the thread fit, the across flats size and the surface for damage.