Driling Tools 165mm 6" Dth Hammer Bits For Shank QL60 DHD360 SD6 M60 In DTH drilling, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the ...View More
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Driling Tools 165mm 6 Dth Stone Drilling Bits For Shank QL60 DHD360 SD6 M60