Description Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least ... Read More
Description Comparing with tapered chisel bits and tapered cross bits, button bits has higher technology, much longer primary drilling time and higher drilling efficiency. According to the tungsten carbide ... Read More
Description Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least ... Read More
Description Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least ... Read More
Description Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least ... Read More
Description Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least ... Read More
Description Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heattreatment, our drilling tools are tough enough to meet rock drilling demands and have the least ... Read More
COP42 Concave DTH Drill Bits High Air Pressure And Abrasion Resistant Mining Bit Description Hunan New Diamond offers top quality DTH hammers and bits which have been tested in the hardest rock formation. Our ... Read More
COP64 high wear resistant hard alloy steel mine DTH Drill Bits Description The new diamond DTH drill is a kind of drill bit which is matched with the DTH impactor. The drilling operation is carried out by ... Read More
SD5 DTH hammer bits for Rock drill tool with tail pipe Description 1. Long life of the drill bit: the alloy just has a long service life and is higher than similar products; 2. High drilling efficiency: the ... Read More