Thread ring gauge, American standard thread plug gauge, American standard thread ring

Thread ring gauge is used to measure the accuracy of the outer thread size, through the end of one, the only side to one. The outer cylindrical surface of the retaining ring groove side. When the size of 100 mm or more, threaded ring double handle threaded ring patterns. Specifications are divided into coarse teeth, fine teeth, pipe thread three. Pitch of 0.35 mm or less 2 2 higher precision and accuracy of thread ring gauge and pitch of 0.8 mm or smaller three precision threaded ring not only end.