Artu 01472 Multi Purpose 3/8 Inch Cobalt And Tungsten Carbide Quick Connect Drill Bit

Key Features

• Special negative back grinding enables the tip to bore through materials with a filing action, not cutting
• The blend and high tech bonding of cobalt and tungsten carbide allows bit to withstand temperatures up to 2000 deg F
• Chrome vanadium steel shank for enormous strength and flexibility
• Outlasts regular carbide tipped bits
• Requires no center punch eliminates walking
• Resharpens on a high-quality silicon carbide grinding wheel
• Uses standard coolants like turpentine, light oil, water

Model 01472 Multi Purpose 3/8 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.