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" ball groove shank offer Quick-Change applications. A 1/4" hex shank helps to prevent slippage, and a hang hole enables easy storage and wire pulling.