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Bits ND35
 source:未知  pubdate:2019-12-12 15:37  

 Our DTH  drill is a kind of drill that is used together with the DTH. The drilling work is carried out by the spline and the impactor. Made from high quality steel and cemented carbide as a raw material, a special heat treatment process allows a ball-bit to withstand the need for rock drills with a high degree of hardness and minimizes losses during energy transfer. Tooth evenly and not easy off tooth and off the tooth, so that the impact energy can be concentrated on the rock, to achieve efficient tunneling purposes. Mainly used for geological exploration, coal mines, water conservancy and hydropower, roads, railways, bridges, construction and construction. 

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