Coal Mining 8'' DTH Drill Bit With Alloy Steel And Carbide Buttons2022-05-26 11:04:03 |
SD6 High Air Pressure 6'' DTH Drill Bits For Hard Rock Drilling2022-11-09 10:58:29 |
QL30/QL40/QL50/QL60/QL80 DTH Drill Bits With Carbide Buttons For Mining2022-08-29 11:02:26 |
34mm-43mm Diameter Tapered Button Bits For Geotechnical Borehole Drilling2019-08-14 15:20:20 |
High Air Pressure 90mm 95mm 100mm DHD3.5 DTH Drill Bits For Rock Drilling2019-08-14 15:20:02 |
34mm 7 Buttons Rock Drilling Taper Button Bits for Rock Mining2019-08-14 15:20:20 |