CrazyMill Cool Square (small protection phase of 45°) and Corner radius with four flutes is available in the diameter range from 1.0 up to 8.0 mm (.039“ up to .315“, fractional inches available), each type in four versions: Type A for maximum milling depth up to 2 x d (cutting length 2 x d),
Type C up to 5 x d (cutting length 2 x d), Type M up to 3 x d (cutting length 3 x d) and Type N up to 4 x d (cutting length 4 x d).