Rock Drilling Tools R32 R38 T38 T45 T51 Half Bridge Threaded Pipe Coupling Sleeve Drill Shank Rod Adapter
Dth Hammer Drill Bit Downhole Rock Drilling Tools is our company main product. After many years search, we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft technology and passed through strictly inspection, manufacturing high quality products.
(1)Bit body : normal type and retrac type
(2)R thread: R22 R25 R28 R32 R38
(3)T thread: T38 T45 T51 ST58 GT60