R25 / R28 / R32 6 12 Degree Pilot Adapter Reaming Bit For Cut Holes Quarry Mining Reaming bits is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and then ...View More
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R25 / R28 / R32 6 12 Degree Pilot Adapter Reaming Bit For Cut Holes Quarry Mining