Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 534-1991
Scope
This standard is applicable to thread sizes of external thread grades 4h, 6h, 6g, 8g specified in CNS 4546~4548 and [Metric Coarse Thread Limit Dimensions and Tolerances] and limit gauge grades 4 H, 5H, 6H, 7H for thread size inspection. Limit gauges for inspection (hereinafter referred to as thread limit gauges) and calibration gauges (hereinafter referred to as alignment gauges). Furthermore, the difference between internal and external threads specified in CNS 4546~45481
CNS 534-1991 history
1991CNS 534-1991 Limit Gages for Metric Fine Screw Threads