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Drill Bit R32 45mm 9 Buttons ISO9001 Hard Rock Mining Product information: Minetech manufactures rock drill bits. The R32 threaded button bit is the most important size for underground benches and long hole ... Read More

HQ impregnated diamond core drill bit for water well drilling Core Drilling Tools Product information: Our Impregnated Diamond Core Bits are manufactured with very small, high quality synthetic diamonds, mixed ... Read More

PQ High Quality Rock Drilling Tools Core Drill Bits For Hard Rock Mining Rock Drilling Tools Product information: The synthetic diamond poly crystalline is manufactured by sintering the fine grains of synthetic ... Read More

Top Sale Diamond Core Drill Bits For Mining Exploration Core Drilling Tools Specifications: Size Outside diameter(mm) Inside diameter(mm) AQ 47.75/47.50 27.10/26.85 BQ 59.69/59.44 36.52/36.27 BQ3 59.69/59.44 33... Read More

High quality Top sale diamond core drill bits for hard rock mining NQ HQ PQ diamond core bit Core Drilling Tools Product information: The synthetic diamond poly crystalline is manufactured by sintering the fine ... Read More