China High Quality Impregnated Concrete Tip Dry Core Diamond Core Drill Bit, Find details about China Diamond Drill Bit, Diamond Core Drill Bit from High Quality Impregnated Concrete Tip Dry Core Diamond Core Drill Bit
Geological Drill for concrete and stone
Single-tube Core Bit Of Sintering
Product Description:
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·used high precision steel core tube ,widely used for professional works
·available in all standard drilling sizes (A,B,N,P,H), Specailly waterways design
·very Fast cutting with very long working life.
·Size can be done as your requests
.Our bit size(mm): Φ56, Φ59,Φ75,Φ76,Φ91,Φ110,Φ130,Φ150,Φ172,Φ220;
.have different bond in each for different stratigraphic distribution.
It is suit for engineering exploration and geological survey field. Our construction team have been research and development
by practice many years.