symmetrix casing bit, symmetrix casing bit Suppliers
Casing Symmetric Bits Bit Drill Bit Drill Bit Casing Symmetric Br ... Sanmeul CIR110 133mm Down the Hole Eccentric Overburden ... (mm) Max Reamed Dia (mm) Casing Shoe ID(mm) Hammer shank 168 148 185 138 DHD350/QL50 178 158 195 148 DHD350/QL50 194 174 206 163 DHD360/QL60 219 199 234 187 DHD360/QL60 245 225 264 212 …
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