DTH Drill Rods

DTH Drill Rods:
DTH drill rods out diameter:76mm, 89mm, 102mm, 114mm;
DTH drill rods thread sizes: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;
DTH drill rods length:1000mm, 1500mm, 2000mm, 30000mm, 6000mm;
DTH drill rods production technologies: Friction welding.