Countersink Drill Bits

The Whats and Hows of Countersink Drill Bits

Countersinking is one way to give your wood and metalworking projects a professional look. This is done to ensure that flathead screws and fasteners sit flush or just below the surface of the workpiece. To do this you’ll need countersink drill bits. These enlarge the rim of the pilot hole and produce a conical hole that correctly matches the angle of the fastener.