It is combined with self-produced high-density PDC cutter which is fit for drilling in soft and medium hard rock strata. The drilling bit optimizes water conservancy design and directly flush cutting teeth front. It is with high drilling efficiency, high service life, not easy to shrink diameter to ensure the hole quality. It can pass through the hard holes or long holes section safely, reduce the frequency of bit replacement and improve work efficiency. 

It is suitable for coal mine and gas drainage hole, exploration of water holes, and grouting hole drilling.

 

PDC triple wings concave type

triple wings concave type: fit for f=10-12 rock strata

size: Φ56-153mm

 

PDC triple wings concave type

triple wings concave type : fit for f≤10 rock strata

size: Φ75-153mm

 

PDC four wings concave type

four wings concave type : fit for f≤10 rock strata

size: Φ75-153mm

 

PDC drilling bit with flank blade

fit for f≤8 rock strata, small diameter drilling

Size ：Φ50, Φ56, Φ60, Φ65(mm)