Manual Casing Tong Type Q340-762/35(133/8-30inch) casing tong is capable of making up or breaking out the screws of casing and casing couplings in drilling operation. ​Conforming to API Spec 7K and API monogram permitted to be used Product Specifications For Manual Casing Tong Handling Pipe Sizes Torque Max mm inch kN.m 340-368 13 3/8-14 1/2 35 368-406 14 1/2-16 406-445 16-17 1/2 445-483 17 1/2-19 483-508 19-20 508-546 20-21 1/2 546-584 21 1/2-23 610-648 24-25 1/2 648-686 25 1/2-27 686-724 27-28 1/2 724-762 28 1/2-30
