21/32" cutting diameter, 4 flutes, single end, corner radius, uncoated.
Ground from solid carbide. This tool cuts 21/32" diameter, runs a 3/4" shank, has 1-1/2" of flute and measures 4" overall.
The corner radius takes the load off the weakest point of the tool, so the edge lasts longer than a sharp corner in the same cut.
Uncoated, so the edge stays as sharp as it can be ground — the usual choice for aluminium and other soft, sticky materials.
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