If you are drilling in sold rock, or drilling in a mix of fractured and solid rock, this is the tool you need. This blade tooth auger will sever solid rock, asphalt and concrete. Its carbide blade teeth are extremely durable in severe drilling conditions. You will cut your spending on teeth and save time with less frequent tooth replacement as well as reduce equipment wear with more effective cutting edges. Texoma builds these blade series rock augers for pressure diggers to get the job done.