Fixed Limit Thread Gages

A Go thread plug gage inspects the minimum major diameter and the minimum pitch diameter size in a threaded part. The NoGo thread plug gage inspects to ensure the threaded hole does not exceed the maximum pitch diameter size in a threaded part.

A Go thread ring gage inspects the maximum minor diameter and the maximum pitch diameter size in a threaded part. The NoGo thread ring gage checks for the threaded part not to exceed the minimum pitch diameter size on a threaded part.