Ame Drill Supply & Service Inc.
AME - Extension Drill Rods
Extension roddrill rods are made by hollow drill steels. There are two shapes of extensionrods, round type and hexagonal type. This hollow hole are usually namedflushing hole, used for transmitting water or air during drilling. And thethreads can be used for connecting couplings, shanks, couplings or bits.
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All rods areproduced by CNC machining and advanced heat treatment on the base of the samesteels as. We are able to supply full range of drifting & tunneling rodsshown as below:
Thread size:
R22, R25, R28,R32, R38, T38,T45, T51;
Rod size:
Hex 32, Hex 35,Round 32, Round 35, Round 38, Round 45, Round 51
Rod Type:
Male/Male (M/M)rods, Female/Male (F/M) or Speed rods