High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
Gold and black surface treated for use in stainless steel and other hard metal drilling
Round shanks allow use with a wide variety of toolholding systems
When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
Heavy duty 135 degree split point