Drilling and Countersinking - The Arbour-mounted Countersink efficiently drills, countersinks and deburrs in one step in wood. Mounted on a brad point drill bit, it makes all three applications achievable at once, obtaining proficient results. The countersink is suitable for use on hard and soft wood, laminated and non-laminated chipboard and plywood. It is intended for use in drill stands and drill drivers. This multifunctional bit, made of tool steel, has a countersink angle of 90 degrees, five cutting edges, and can also be used as a depth stop. It comes with a hexagon pin key; brad point drill bit is not included. Features and Benefits • Efficient One-step Drilling and Countersinking in Wood • Arbour-mounted Countersink efficiently drills, countersinks and deburrs in one step in wood • Mounted on a brad point drill bit, all three applications are achievable at once, obtaining proficient results Specifications Diameter: 4,0mm Outer diameter: 16mm Step height: M 5