Up to 3x faster than a standard drill bit - Spade bits are a great accessory for electricians and other installation and building workers. What if they could be even faster and more efficient? With Bosch Tip Technology, they can. The EXPERT Self Cut Speed features the most advanced designs for spade bits, making it easy to use and highly practical for heavy professional users. Its Bosch patent threaded tip draws the spade bit into wood with only the lightest pressure from the user, which is especially helpful when drilling upside down or in tight niches. Its advanced paddle design ensures extra speed. Equally at home in all types of softwood, the Bosch EXPERT Self Cut Speed Spade Bit offers efficiency and convenience to tradesmen who need to drill through holes for cables, pipes, and other hardware installations. 1/4” Hex shank for use with three-jaw drill driver chucks and hexagonal drill driver chucks. Features and Benefits • Up to 3x faster than a standard drill bit • Fast drilling