止り側ねじプラグゲージとは | オーエスジー

A external thread -shaped gauge that inspects the effective diameter of a internal thread .
If it stops within the regulations, it will pass in that the effective diameter is not too large, and the thread accuracy is guaranteed by inspecting and passing it as a set with the thread screw plug gauge.
If there is a distinction between machining and inspection, machining is mainly used in the manufacturing department and shipper, and inspection is mainly used in the inspection department and shipping destination.