DEWALT Drill Bit, Spade, 1/4" x 6" (DW1570)

Heavy-duty, heat-treated shank to prevent bends and breaks. The cutting groove has been optimized for rapid chip removal. Chamfered edges for nail impact resistance. Paddle hole for simple wire drawing and storing of bits. Quick bit changes are made possible with the 1/4" Ball Groove Shank. Product Dimensions (cm): 19.69 x 4.75 x 0.64   Professional contractors rely on DEWALT Spade Bits to swiftly bore clean holes for electrical, plumbing, building, and other applications. DEWALT Spade Bits have a heavy-duty, heat-treated shank for protection against bends and breaks, an optimized cutting groove for rapid chip removal, and a 14" ball groove shank for simple, quick changes in impact drivers. Chamfered corners increase durability, particularly against nail blows. Available in a variety of sizes, starting at 1/4 in. to 1-3/8 in. diameter of 6", lengths of 6" and 16".