This Onsrud End Mill features a 1/4" solid carbide single flute downcut for plastic, wood, and aluminum cutting.

This is a very high quality end mill for cutting plastics, wood and aluminum.
Will create a flat bottom surface
Cut Diameter - 1/4 inch or 6.35mm
Shank diameter - 1/4 inch or 6.35mm

Cut precise and very thin kerfs with these tiny cut diameter end mills. The cut diameter is 1/16 inches (1.5875 mm).

These have a single flute with a deep cavity to carry a lot of material out of the cut. It's like digging with a shovel that can hold much more dirt.

These end mills have a single flute to cut plastics and wood very efficiently.