Bosch Drill Bit and Countersink

The Bosch Brad Point Drill Bit with Countersink in 4mm offers an excellent all-round size for everyday woodworking, making it a popular choice for general joinery, furniture assembly and cabinet fitting. This versatile bit handles a broad range of screw sizes with ease, delivering clean, professional results in one pass. Combining drilling, countersinking and deburring in a single step, it eliminates the need to change bits mid-task and helps maintain accuracy throughout. It is designed for use with drill stands and drill drivers, and the cylindrical shank is fully compatible with standard three-jaw drill chucks. Built from tool steel with five cutting edges and a 90-degree countersink angle, it can also serve as a depth stop. Suitable for hard and soft wood, laminated and non-laminated chipboard, and plywood. Features and Benefits: • Drills, countersinks and deburrs in one step • Cylindrical shank compatible with three-jaw drill chucks • Five cutting edges for a clean, accurate finish • 90-degree countersink angle; doubles as a depth stop • Suitable for hard/soft wood, chipboard and plywood • Supplied with hexagon pin key, brad point drill bit and arbor-mounted countersink Specifications: Drill Bit Diameter: 4mm Countersink Angle: 90 degrees Cutting Edges: 5