Artu 01460 Multi Purpose 3/16 Inch Cobalt And Tungsten Carbide Quick Connect Drill Bit Each

Model 01460 Multi Purpose 3/16 Inch Cobalt And Tungsten Carbide Tip Drill Bit With Quick Connect Shank For Faster Bit Changes. Designed For Rotary Or Percussion Drilling. At 1000 rpm Use On Masonry Ceramic Tile Concrete Brisk Granite Or Marble. At 300-700rpm Use On Glass. At 500-800rpm Use On Fiberglass Or Plexiglass. At 800-1500rpm Use On Hard Wood. At 1500 rpm Use On Soft Wood. At 2000 rpm Use On Cast Metal Or Hardened Steel. To Resharpen Simply Grind The 2 Flat Surfaces. Best If Resharpened With ARTU Silicone Carbide Grinding Wheel #01551.