3 Review(s)

Easy to use: Attach to any Power Bench or Hand drill driver When Woodeoorking or Building Molding, enlarge and bevel the rim of a drilled hole so that a screw, nail, or bolt can be inserted flush with the you are working on. PREMIUM QUALITY: Made of Industrial grade high carbon steel. Titanium coated, Durable & Long service life. WIDELY USED: Great for wood openings, reaming, chamfering, screw head and so on.Suitable for wooden planks, plywood, aluminum board, fiberboard, particle board, plastic, PVC board and other various soft material chamfer. 7 pieces:Countersink Drill Bit includes bits for drilling pilot holes for screw sizes 3mm, 4mm, 5mm, 6mm,7mm,8mm,10mmwith hex key . Suitable for : steel, aluminum and other metals, plastics, any type of hardwood, cork or aluminum, excellent cutting ability.Especially suitable for many kinds of wood occasions.And it's suitable for drilling machines with chuck,most bench or hand drills. Removable Adjustable : Drilling length of the countersink drill bits set can be adjusted for various length screws simply by loosening and tightening the screw.