Taper Drilling Tools, Jack Hammer, Air Leg Rock Drilling Machine manufacturer / supplier in China, offering R25 with Hex 22X108mm Shank R32 Thread Extension Drill Rod, Drilling Tool 6 Degree Hex22 Hex25 Hexagon 108/159mm Shank 3200mm H25*108mm Taper Drill Rod, R32 R38 T38 T45 Thread Extension Mining Quarring Tunneling Blasting Drill Drill Rods and so on.
Suppliers with verified business licenses