TCI tricone bit 1. Sizes range from 3 7/8" to 26" 2. Reliable bearing and lubrication system 3. Meet with API Spec7-1 Standard TCI tricone rock Bits, TCI bit, rock bit, TCI tricone bit, tricone bit, TCI tricone bit 1. Sizes range from 3 7/8" to 26". 2. Covers almost all IADC codes. 3. Optimized sealed bearing and lubrication system. 4. Used for mining, hydrology, subterranean heatpiling, water well drilling and oil well drilling. 5. Our products have reliable quality and competitive price. If you are interested in our company, please leave a message to us, we will reply you soon.
