Profile: U. S. A. Rock Bit, Inc. serves the oilfield, water well, mining and construction industries. We deliver bits, rerun, retip steel tooth and TCI bits, bit breakers & surplus bits. Our milled tooth bits are designed to drill the softest formations, such as soft shales, red beds and clays, with high durability & maximum penetration rates. Our Energy Balanced™ Series Bits are a technological breakthrough for roller cone bits. We supply any size bit breaker from 6" to 26".