Chisel Bit DTH Drill Rods / Water Well Drill Rods With 42mm - 114mm Hole Diameter

Product Description: Chisel Bit DTH Drill Rods / Water Well Drill Rods With 42mm - 114mm Hole Diameter Product Overview 1. In-house heat treatment ensures optimum surface hardness and case depth 2. R780 Steel -high ...learn more
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