OEM Drill Bit bullet teeth C31HD for drilling buckets and augers


As we know, for the same case bored piling, the drilling tool is playing a very important role for drilling efficiency. What decides the efficiency of a drilling bucket or bucket auger? It’s drilling bit, also called drill teeth, carbide bullet teeth, round shank chisel, C31HD drill bit, etc.

DRILLMASTER heavy duty type, design for drilling and tunnel, boring in extremely hard rock and concrete.

Another carbide bullet teeth C30 block, accepts our C31, C31HD, C32, U40HD, AUC40KH and CH31SR, C31FSRHD and C34FSR cutting tools. All blocks are easily welded with a 7018 or 8018 low-hydrogen rod or equivalent wire.


Unidrill manufactures a complete range of cemented tungsten carbide replacement wear parts for foundation drill, mining and tunneling, trenching, road milling industries...

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