Featuring a heavy-duty, full-length, heat-treated shank for protection against bends and breaks, Dewalt Spade Bits are equipped with high-performance cutting spurs for optimum hole finish. An Extreme Speed Channel provides fast chip removal and a 1/4 inch ball groove shank offer quick-change applications. A 1/4 inch Hex shank helps to prevent slippage and a hang hole enables easy storage and wire pulling.