Tapered Tungsten Carbide Button Rock Drill Bit
Tungsten carbides Tapered Drill Bit: Types: Rock cross drill bit, Tapered cross bits, tapered button bits 34mm button drill bit: Application:: Use in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling: Feature: Tapered Drill Bits connect tapered drill steel of rock drill for drilling holes: Material:
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