R.D.S. Round Nose Gauge Mills are ideal for drift and confirmation runs.  They are built to be and economic alternative for junk mill operations.   Built to spec with hand laid Klusterite and Carbide, these mills are made to endure the harshest conditions and to give maximum life and durability.  These mills are ideal for cement build up, scraper drift runs, light casing impairments and gauge clean outs.  They include a large circulation port for fast circulation rates.