The Bosch EXPERT Self Cut Speed Spade Drill Bit is designed for extremely fast hole drilling. Its self-feeding threaded tip allows the drill bit to pull itself into the wood effortlessly, enabling high-speed drilling with minimal exertion. The specially shaped spade ensures fast chip removal for rapid results, making it up to 3 times faster than a standard spade bit. This bit is suitable for soft and hard wood, light building materials, and plasterboard. It features a 1/4-inch hex shank system, making it ideal for use with portable power drills. The advanced paddle design and Bosch Tip Technology contribute to its efficiency, making it a professional choice for electricians and building workers needing to drill holes for cables, pipes, and other hardware installations. The 1/4" hex shank provides universal brand fit for three-jaw drill driver chucks and hexagonal drill driver chucks.