Used pw

BWL NWL HWL PWL Mine Diamond Drill Bit For Sandstone Rock Drilling

• Manufacturer: SINOCOREDRILL

Diamond Drill Bit And Tool , Coal Mine PDC Drill Bit For Sandstone Drilling Specifications PDC Drill Bit For Sandstone Drilling 1. New Superhard Material; 2. High Drilling Rate; 3. Wearable Blade; 4. Used For Coa...