Description DEWALT Spade Bits are designed to meet the demands of professional contractors. These high-performance bits feature thicker shanks for reduced bit breakage. Dual, precision-ground cutting edges provide for maximum speed and performance. Nail Tough corners chew through nails to extend the life of the bit in rough-in applications.Maximum life corner for longer life in nailsExtreme speed channel for fast chip removalHeavy-duty shank for superior durability1/4 in. ball groove shank for quick change applications