METAL BIT COMPOSITION – Esclusively designed to work with industrial grade metals they are manufactured with High Speed Steel with 5% Cobalt known as HSS-Co M35 grade.
EFFICIENCY – Working with stationary drill ensures better finish on chamfers but they can be used with hand drills as well for countersinking in any hard or soft metal and any type of wood.
DURABILITY – This metal counter sink bit set for steel is made for last longer than any other regular High Speed Steel bits, they are extremely sharp and finished with black & Gold corrosion proof.
DESIGN – Designed with 82 degree 5 flutes to reduce vibration and smoother drillling , the 1/4″ round shank fits all stationary and hand drills
IMPORTANTE TIPS FOR USE – The Metal Countersink Bits are just a chamfer tool to countersink the holes, it is not self drill tool, the pre drill with a metal drill bit with desired size for the screws has to be done before using it for countersink.
