No. 23, Bengong 1st Rd., Gangshan Dist., Kaohsiung City 82059, Taiwan
Thread Limit Gauge (LG): Ring
Used to inspect male thread. The passing side and stopping side make up a single set. The thread is considered to be acceptable if the passing side passes with ease and the stopping side does not cut in after two rotations. This gauge is also used to inspect the whitworth screw.