... DTH water well drilling hammer, 340,350,360,380 4",5",6",8" quick water well drilling hammer with very good ... -10T48*1090-1102ZRC100G9941046421.0-2.527 (at 1.7Mpa)6-15API(2 3/8)" REG110-1353ZRC100G-A994985381.0-2 ... .530 (at 1.7Mpa)6-14API(2 3/8)" REG110-1354ZRC130G12551226751.0-2.525 ... .0-2.520 (at 1.7Mpa)15-34API(4 1/2)" REG195-254 360 water well drilling hammer