Why Use a Single Flute End Mill? - CNCCookbook: Be A ...
Jul 16, 2014· At a given surface speed, a 4 flute endmill can take 4 cuts at a given chip load (chip thickness) while a 2 flute only takes half as many. So the 4 flute might have 2x the MRR. This is why we see cutters with many flutes become popular in challenging materials that …