The DEWALT Self-Feed Drill Bits are ideal for drilling clean holes in wood MDF hardboard and chipboard. They have two sharp cutting edges and an aggressive 'self-feed' spur for rapid penetration into the material. They are fitted with a non-slip shank for better chuck bit retention. For use with corded and cordless drills.These DEWALT Self-Feed Drill Bits have the following specification: Diameter: 45mm.PTDDEWDT4581QZ
