BONMACH-Rock Drill Extension Rod Manufacturer
Drill Rods
Rock drill rod or drill pipe, drill tube or drill steel is the steel tube which connect the surface equipmeng and the bottom drill bits of the drilling pipe. Bonmach is one of the leader manufacturer of drill rod in China, We have Threaded rock drill rods for top hammer rig and Tapered drill extension rods to meet different working conditions. For the Threaded drill rods we have hydraulic pressure extension rods and R3212 rock drill rods by adaptation equipmeng, or MF drill rods and EX rock drill rods by exchange convenience, or normal rods and heavy friction welding rods by process.