We manufacturer Tungsten Carbide Inserted Tooth and Milled Tooth Tri-cone Rock Bits
1. Bits sizes range from 3 7/8" to 26" .
2. Covers almost all IADC codes .
3. The bits can be produced according to your special order.
4. Used for mining, hydrology, subterranean heatpiling, water well drilling and oil well drilling .
6. Our products have reliable quality and reasonable price .
Looking forward your kindly inquiry.