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Products > convex > Bestonedrill Co., Ltd. | Similar Products
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BESTONE QL,DHD Shank Dth Bits,Dth Hammer Bits DTH Drilling Hammer Bit

BESTONE QL,DHD Shank Dth Bits,Dth Hammer Bits DTH Drilling Hammer Bit
Raw material: premium quality nickel-alloy steel 23CrNi3Mo and YK 05 tungsten carbideBits diameter: 85-280mm Working pressure:10-30barHigh air pressure Shank types: DHD, COP,Mission, QL, SD etc.Bit ...

BESTONE Dth Drill Bit for DHD112 Hammer - Buy Down Deep Hole Drill Bit

BESTONE Dth Drill Bit for DHD112 Hammer - Buy Down Deep Hole Drill Bit
Raw material: using premiumquality steel bar and YK05 tungsten carbide.Special heat treatment technology to enhance hardness,surface-compressed for fatigue resistance.Working pressure:Below 10bar/1 ...
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