Focusing on the mining field for more than 20 years, we devote ourselves to research and development and strive to build an international and trustworthy brand.
1. Tricone bit used for geoloical prospecting,development of oil and gas,drilling water wells,blast holes and making holes for seismic prospecting,construction engineering.now there are eleven common types of tricone rock bits.
2. TCI series: IADC CODE:417,437,447,517,527,537,547,617,627,637,647,737,837.
3. Sizes rang from 3 7/8″ to 26″