Drifting drill rod Extension rod T45 T51 MF drill rod ...
2020-12-31u2002·u2002Drifting drill rod Extension rod T45 T51 MF drill rod for Mining T38 MF drill rods (speed drill rods ) are different from extension rods or drifting rods, one end is male thread, another one end is female thread. MF rods provide more tighter connection and easy uncoupling and handling.
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