13-Piece Daredevil Spade Bit Set In Bag From Bosch, Model Number Dsb5013P In The BOSCH line of metal drill bits offers a solution for every professional application. Each bit is manufactured to exacting specifications and features a split point that starts on contact with no walking or skating, eliminating the need for a center punch. BOSCH black oxide bits offer superior durability, speed and selection to support most general-purpose applications. Features a Full-Cone Threaded Tip for Fast and Effortless Drilling Contoured paddle for fast chip removal Hex shank power groove to reduce slippage Spur and reamer tips for cleaner holes Provides a cleaner hole quality with reduced breakout Features a full cone-threaded tip for fast and effortless drilling Contoured paddle for fast chip removal Hex shank power groove to reduce slippage Spur and reamer tips for cleaner holes Provides a cleaner hole quality with reduced breakout