We are API(American Petroleum Institute) certificated factory of tricone roller bit, all of the production are strictly complying with API specifications, the TCI Tricone Bit Thirds is one-third(1/3) of tri-cone bit. Diameter of this Tricone Bit Third is 185mm. The bearing is metal-face sealed, it is almost the best quality in the world. It is suitable for core barrel or rock bucket drilling diameter bigger than 180mm, and it is suitable for HDD application that hard rock length longer than 500 meters at one crossing. With its perfect performance, the cost-effective in drilling very deep / very long projects actually saves money for drillers. Advantage: Perfect bearing design and long working life.

Cone Size	185mm (For 12 1/4" tricone bit)
Bearing Type	Metal-face Sealed Bearing
Tooth Type	TCI
Grease Lubrication	Available
Inserts Shape	Conical-ball
Grease Compensation System	Available
Shirttail Protection	Available

Far Eastern Machinery Co. Ltd. can design all the rock reamer (Hole Opener) for bith horizontal directional drilling and vertical drilling as your special request,for example center shaft length,thread type,roller cones sizes,pilot size,extra projection on the plam,nozzles,nozzles sizes,for bith replaceable cones and fixed cones hole opener for your whole drilling project. Product Specification Cuttong Structure: part of tricone bit,both steel tooth bits and tci bits are available Products Application: bit cutter legs are mainly used in building big diameter piling bits or hole opener main type available Most of regular sizes and IADC code Available Sizes:from 2 7/8 to 26'' large sizes for hole opener bit,reaner bit 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 uesd in hdd reamer