... .: 2mm-200mm API 5B Threading, gaging and thread inspection of casing, tubing and line pipe thread ASTM A519 50B40 50B44 50B46 50B50 50B60 ... ,STPA 23, STPA 24, STPA 25,STPA 26JIS G3460 STPL 39, STPL 46, STPL 70JIS G3461 STB 35, STB 42, STB ... STBA12, STBA13, STBA20,STBA22, STBA23, STBA24,STBA25, STBA26JIS G3464 STBL 39, STBL46, STBL 70JIS G3465 STM-C55, STM-C65, STM-R60 ...