T38 T45 Threaded Drilling Tools , Long Hole Drilling ...
Thread Rod---R25,R28,R32,R38,T38,T45,T51. Integral Drill Rod---H19/H22, Diameter---20mm - 42mm. Application • Widely used in drifting, tunneling, benching, and long hole drilling . Description & Specification. Drill rod using thread system. Drilling precision can be further improved by using this as the first rod in a normal drill string.
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