Api Working And Master Gauges

We are manufacturing, exporting, trading and supplying our customers a huge range of API Working And Master Gauges in Baoji, Shaanxi, China. These are available with following specifications :

Main Specifications:
1, API SPEC 5B-0032 tubing and casing, line pipe thread gauge
1) is not thicker tubing thread Regulation S = 7.620 A A 0.635mm
P = 0 A A 0.635mm
Can control S1 = 7.620 0-0.635 mm
P1 = 0 0-0.635mm
2) external upset tubing thread Regulation S = 9.525 A 0.635mm
Can control S1 = 9.525 0-0.635 mm
P1 = 0 0-0.635mm
3) round thread casing thread work Regulation S = 9.525 A 0.635mm
P = 0 A 0.635mm
Can control S1 = 9.525 0-0.635 mm
P1 = 0 0-0.635mm
4) buttress casing thread Regulation S = 5.080 A 0.381mm
Can be controlled to S1 = 5.080 0-0.381 mm
P1 = 0 0 - 0.381mm
2, API SPEC 7-2-0680 drill pipe joint thread gauge
Since with S = 15.875 A 0.025mm
Pass S = 15.875 A 0.100mm
Can be controlled to S1 = 15.875 (0 - 0.100mm) or S2 = 15.875 (0 - 0.100mm)