We are a professional company in supplying tri-cone bit,steel teeth bit,single cone bit,etc.,bit sizes range from 3 7/8" to 26" and cover almost all IADC codes,it can be used in various of different fields,mining,hydrology,subterranean heatpiling, water well drilling and oil well drilling .
This type bits have optimal bearing design,it can be working stably  in high WOB,and the quality tungsten carbide inserts on cone and gauge make a good wear resistance  largely extend the working life of bit.It is suitable for medium to hard formation.
If you are interested in this products, you could send message to us,we will be glad to reply you soon.