Hard Rock Drill Roller Cone Bits with API Standard

1.cuttong stucture 

part of tricone bit, both steel tooth bits and tci bits are available

2.product application

bit cutter legs are mainly used in building big diameter pilling bits or hole opener main type available 

3.available sizes

from 2 7/8'' to 26'' large sizes for hole opener bit,reaner bit

4.application

petroleum&gas,water well, mining and tectonic industries,oilfield,construction,geothermal,directional bording, and underground foundation work hard formation rock/roller cone cutter bit used in hdd reamer.