CIR series Low air pressure dth hammer bits for hard
2017-11-28 · low air pressure dth bits: Material: Tungsten carbide buttons and steel: Process: Forging : Bit type: Convex, flat front, drop centre face, concave and double gauge face: Bit diameter: CIR90(90 100 110 120 130) CIR 110(110 120 130 140 150) CIR130( …
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