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194mm Ql60 Overburden Wing Bit For Concentric Casing System Rock Drilling Eccentric Casing System

DTH Drill Bits
2025-03-10
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#dth hammer bits #dth button bits #carbide tipped drill bits
It is suitable for drilling water wells , geothermal wells , short miscopies ,medium mini-type grouting hole of building , dam and harbor project . 1. Ring bit and casing shoe assembly is welded to ... View More
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194mm Ql60 Overburden Wing Bit For Concentric Casing System Rock Drilling Eccentric Casing System
194mm Ql60 Overburden Wing Bit For Concentric Casing System Rock Drilling Eccentric Casing System
Contact Now
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