?????High Quality Material?Classic high-speed steel material is durable, has high hardness, excellent cutting power and good wear resistance.
?????Three Pointed Design?The countersink drill bit set with tri-cuspid centering can quickly and accurately drill smooth holes .The five-sided chamfer design automatically ejects chips quickly from the holes on both sides.
?????Multipurpose?Suitable for bench drill, hand drill and conventional electric drill. Perfect for wood, tile?glass, particleboard, , plastic, rubber etc.
?????Package?A set of countersink drill bit set are equipped with one hex key and 7 pieces of countersink drill bit in 7 different sizes including # 3 # 4 # 5 # 6 # 7 # 8 # 10mm to satisfy all you demand.
?????Warranty?Money Back Guarantee. If you have any issues with your countersink drill bit set, simply contact with us for replacement or refund.