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D Miningwell Normal Tungsten Carbide Bits Top Hammer Drill Rig 45mm R32 Treaded Button Drill Bits

D Miningwell Normal Tungsten Carbide Bits Top Hammer Drill Rig 45mm R32 Treaded Button Drill Bits
Retrac Button Bit Head ShapeHead DiameterLengthPort HolesSide HolesGauge ButtonsT51Center Drop Face891704/8*Φ12T51Center...