Dth Bit Rod factory

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To stop the motor running and stop supplying air to the impactor, send water, insert the fork into the drill rod groove of the holder, make the motor reverse the slide back, disconnect the joint from the drill rod, and then connect the second drill rod, press this to cycle and work continuously. characteristic of down the hole drilling rig. 1.

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Dth drill rod is made of high quality material detected by spectrograph, impact and tension test. with fully digitized processing line introduced from japan with integral heat treatment equipment anti adhesion thread with nitrogen treatment on surface make it easier for handling.

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