Roller Bits
Roller Cone Cutters
Zuanshan can produce several types of roller bits. Our roller cone cutters include the 90 ° U-shaped Roller Bit series and the 120 ° U-shaped Roller Bit series. All these two types have designed Starry Sky Roller Bit. 52 pieces tungsten carbide buttons one the roller cone, hybrid cutter design, special for foundation rock formation. And to keep the cone from worn by rock debris, avoiding the roller cone breaking the rocks repetitively, increase the service life of our roller cone cutters. We can also special customized according to the requirements. The cones are designed with more full insert than the traditional tricone bit cutter.
It’s suitable for the formation which with compressive strength between 80-180MPA, and the medium to hard stratum, like the quartzite, basalt, moderately weathered granite, micro-weathered granite, limistone, dolomite and so on.