thread coupling sleeves
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T45 Thread Button Bits T45-89
Thread button bits made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment so that it can withstand the toughest rock drilling demands, and transmit intensive impact energy into the rock with the least possible loss of energy
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Coupling Sleeves Coupling Sleeves-Thread extension rod MM coupling
Gaea's Threaded coupling sleeve is made of high quality of alloy steels and CNC machining guarantee our reliable and consistent quality control of coupling sleeves
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