Dewalt DWA56015 Multi Material Drill BitsCarbide Split Point Tip for Maximum Sharpness Aggressive Flute Angles for Faster Drilling Speed No Spin Shank Eliminates Bit Slippage PRODUCT OVERVIEW With a carbide split point tip and aggressive flute angles, DEWALT Multiple Material Drill Bits deliver the power to easily drill through a range of materials without the need to change bits. A no spin shank helps to increase efficiency by eliminating bit slippage.