HA217 The extremely rugged Forstner drill bit set excels at doweling, creating pocket and grommet holes, countersinking screws and drilling out knots in wood. The jobsite-tough forged steel body with carbide cutting edge delivers 50% more accurate cuts along with longer bit life. Designed with a steep angled cutting edge for clean flat holes and minimal tear-out. The center spur drills on contact with no walking.