Both pilot drill and counterbore depth are adjustable by adjusting the depth stop and drill bit with the wrench included, to achieve accurate drilling. The added plastics collar can reduce surface marring effectively.
The M2 HSS pilot drill bits with spiral chip flute, ensure rapid cutting; Sharp steel alloy cutting edges create smooth countersink and counterbore holes, ideal for screws fitting 82-degree imperial (U.S.) standards.
Working with natural woods, chipboard, man-made boards, plywood, MDF, decking,drywall,and various plastic boards. For best results and smooth edges, operate the countersink at slow speeds, approximately 200 RPM.
