Bosch Drill Bit and Countersink

4mm Brad Point Drill Bit with Countersink The 4mm size from Bosch suits everyday woodworking and fixing tasks where a slightly larger fixing is needed than the smallest size in the range. It drills, countersinks and deburrs in one step, leaving a clean, tidy finish ready for the screw head. Use it on hard and soft wood, laminated and non-laminated chipboard and plywood, in a drill stand or drill driver. The set includes a hexagon pin key, a brad point drill bit and an arbor-mounted countersink. Features and Benefits: • Drills, countersinks and deburrs in one step in wood •