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391Down-the-hole drill pipe plays an important role throughout down-the-hole drilling (regardless of application, rock type, drilling depth, or drilling rig). The key features of high-quality down-the-hole drill pipe are durability, accuracy and manageability. The down-the-hole drill pipe is made of high-quality alloy, and the seamless steel pipes at both ends are connected by friction welding. During operation, high-pressure air is transported to the down-the-hole impactor through the down-the-
Down-the-hole drill pipe plays an important role throughout down-the-hole drilling (regardless of application, rock type, drilling depth, or drilling rig). The key features of high-quality down-the-hole drill pipe are durability, accuracy and manageability. The down-the-hole drill pipe is made of high-quality alloy, and the seamless steel pipes at both ends are connected by friction welding. During operation, high-pressure air is transported to the down-the-hole impactor through the down-the-hole drill pipe, and at the same time, rotation and pressure are transmitted to the down-the-hole impactor.
Down-the-hole drill pipe specifications:
Rod diameter: 76mm, 89mm, 102mm, 114mm, 127mm, 140mm
Effective length of rod: 1000mm, 1500mm, 2000mm, 3000mm, 5000mm, 6000mm
Thread specifications: 2 3/8” API REG, 2 7/8” API REG, 3 1/2” API REG, 4 1/2” API REG, 2 3/8 API IF, 3 1/2 API IF
