Sollroc DTH Drill Pipe D76-144mm

Product Description: Down th hole drill pipes play a significant role in all DTH drilling, regardless of application, rock type, hole depth or drill rig. The key features of a high quality DTH tube are durability, accuracy and manageability. Sollroc DTH drill pipes are made of superior alloy and the both thread ends are friction welded to the seamless steel pipe.The high pressure air is delivered to DTH hammer by DTH drill pipe, simultaneously it transfers the rotation and press force to the DTH hammer. Standard DTH drill pipe: Diameter: 76mm, 89mm, 102mm, 114mm, 127mm, 140mm, Length: 1000mm, 1500mm, 2000mm, 3000mm, 5000mm, 6000mm; Thread: 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