Carbide Drills Dealers in Kharagpur

Size¾ to 4-12" for Tubing 4-12 to 20" for casing Size Pin Connection 6-34" (170 mm) 3-12" API Reg 7-78" (200 mm) 4-12" API Reg 9-78" (250 mm) 6-58" API Reg 10-58" (271 mm) 6-58" API Reg 12-14" (311 mm) 6-58" API Reg