1, API SPEC 5B-0032 tubing and casing, line pipe thread gauge

       1) is not thicker tubing thread Regulation S = 7.620 ± 0.635mm

                                P = 0 ± 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 ± 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 ± 0.635mm

                                P = 0 ± 0.635mm

Can control S1 = 9.525 0-0.635 mm

                                P1 = 0 0-0.635mm

        4) buttress casing thread Regulation S = 5.080 ± 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 ± 0.025mm

       Pass S = 15.875 ± 0.100mm

       Can be controlled to S1 = 15.875 (0 - 0.100mm) or S2 = 15.875 (0 - 0.100mm)