NQ Coring Rock Drilling Bits For Hard Rock , Diamond Tipped Drill Bit Q series core bits Size O.D I.D Availability mm mm Imp. S.S T.C. PDC TSP E.P. AQ 47.75/47.50 27.10/26.85 √ √ √ √ √ √ BQ 59.69/59.44 36.52/36... Подробнее
200mm Diamond Core Drill / Rock Core Drilling Machine For Exporting Description: Large torque, powerful drill in a light and small size. Multiple speed grades in forward & reverse revolving, meeting different ... Подробнее