Wholesale TCI HDD pilot tricone drill bits with metal sealed bearing in stock with discounted price from China factory.
Technical Data for Far Eastern's Drilling Bits as following:
1) High wear resistance and excellent cutting ability of the insert bit are given full play by using carbide combination with optimized compact numbers and rows,the exposure height and special shaped compacts.
2)All rubber compensator is used which can limit pressure differential and prevent drilling fluid from entering the lubrication system and this provides the bearing system with good assurance of lubrication.
3)Leg and Shirttail protection:Leg are protected by hardfacing and tungsten carbide inserts,for highly abrasive formations diamond coated tungsten carbide inserts can be used.
4))A row of inserts is added between gage row and heel row to him borehole wall and protect cone shell.