Roller Cone Drill Bit

Product Description

Description:

TCI tooth roller cone,steel tooth roller cone,replaceableroller cone/HDD roller cone/Hole opener roller cone/pilling roller cones

1.Cutting Structure
Reinforcing the comprehensive mechanical properties of cutting tooth by usinghigh quality tungsten carbide inserts of new formula and new techniques ofinsert bit.

2.Gauge Structure
The multiple heel position with gauge trimmer on the heel, tungsten carbide andhardfacing on the shirttail, strengthened spear point will enhance the gaugeprotection.

3.Bearing Structure
High precision journal bearing with two thrust faces. Ball locked cone.Hardfaced head bearing surface. Cone bearing inlaid with friction reducingalloy and then silver-plated. Abrasion resistance and seizure resistance of thebearing are improved, and suitable for high rotary speed.