Product name: 140mm Down The Hole HRC Reverse Circulation Drill Bits For Underground Geotechnical Drilling Product category: DTH drill tools Diameter: 140 mm KINGDRILLING high air pressure DTH button bit ... Read More
Product name: 1250mm Mring Overburden Symmetric Casing Drilling System With Ring Bit For Mining Product category: Overburden casing drilling system Permanent casing drilling ring bit advantage: Permanent ring ... Read More
Product name: OD133mm MRING Overburden Symmetric Casing Drill bit With Ring Bit For Soft Rock formation Product category: Overburden casing drilling system The system consists of a driver bit, a ring, and ... Read More