3 Wings Step Water Well Drilling Drag Bit Drilling Rig Tools With Tungsten Carbide Description Step Drag Bit is used in rotary drilling. The drag bit ...
PDC Non Coring Bit 3 Wings/Blades PDC Concave Bits For Mining Drilling Description: PDC Non Coring Bit 3 Wings/Blades PDC Concave Bits is a kind of .....
DTH Reverse Circulation Rock Drilling Tools RC Hammer With RC Drill Bit Description: The DTH Reverse Circulation Rock RC Hammers are used in a wide .....
Top Hammer Tools T51 T45 T38 Retrac Button Bit Drilling Rig Tools For Mining Description: Product Description 1) Bit body: Normal type and retrac type ...