Product name: 105mm 3 Inch QL30 Shank Down The Hole DTH Drill Bit For Mining Construction Product category: DTH drill tools Matched hammer: Hammer QL30 Diameter: 105mm KINGDRILLING high air pressure DTH button ... Read More
Product name: 165mm Overburden Symmetric Casing Drilling System Ring Bit Without Casing Shoe For Loose Ground Outer diameter casing pipe: 165mm This overburden drilling systems are designed to use ring bit ... Read More
Product name: 168mm Symmetric loose ground casing drilling ringbit without casing shoe Outer diameter casing pipe: 168mm This overburden drilling systems are designed to use ring bit which is not connected to ... Read More