Ideal for use in furniture making, doweling, cabinetry and other woodworking applications where an exact hole size is required. Can be used on all types of soft and hard wood. The IRWIN Brad Point 4mm solid centre auger with cutting spur is perfect for all types of wood, creating perfect and straight holes. The brad point tip ensures accurate positioning for starting the hole. The spur cutting edges help minimise splintering and ensures a smooth clean hole, the wide flutes provide fast and continuous flow of chip removal. The IRWIN 4mm drill bit has been designed to be accurate, making it an essential tool in any DIYer's toolbox.