The Bosch EXPERT SelfCut Speed Spade Bit is the fastest and most efficient way to drill holes in wood. The unique Bosch Tip Technology features a self-feeding thread that pulls the bit into the wood, so you can drill with less effort and get cleaner, faster results. The clever wave-shaped spade design also helps to remove chips quickly and easily, so you can drill through even the thickest wood without clogging. These Bosch Spade Bits are perfect for electricians, carpenters, and other professionals who need to drill holes in wood for cables, pipes, and other hardware installations. It is also ideal for DIYers who want a fast and easy way to make holes in wood for projects around the home. Features: Bosch Tip Technology for fast, effortless drilling Self-feeding thread for effortless, high-speed drilling Clever wave-shaped spade design for fast chip removal 1/4" Hex shank for use with three-jaw drill driver chucks and hexagonal drill driver chucks Made from high-quality steel for dura