The HSS-R Extreme drill bits Sets from DEWALT® has been manufactured to a very high standard courtesy of the innovative tapered web which greatly reduces breakage, while the Gold ferrous oxide coating prevents overheating for longer bit life.
Permanent size markings located above shank for increased visibility
Suitable for portable or stationary drilling in steel, alloyed and non alloyed material, cast iron, sintered iron, nickel, brass, etc. (up to 900n/mm²
Non alloyed black oxide precision ground twist drill bit for rapid drilling, long life and excellent concentricity
Ground from solid stock right hand cutting, type n flute, precision ground 118° point angle