2 flute solid carbide slot mill with a TiAlN coating giving it a capability to cut materials up to HRC45. A general purpose mill, with a regular flute length, two cutting edges, and the corners are sharp and generate a 90° corner. They can be used for plunging, grooving, side milling, face milling, and counter boring.
For aluminium, check out 1 flute end mill for aluminium
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so far this has been the most enduring bit that i have used for profile cutting australian bloodwood. at 8mm thick and hard ol wood full of hardened resin pockets i need a tough bit and this bit is my first choice.
Cutting Aluminium 5008 with this bit on my Openbuild OX CNC. 1.5KW Spindle at 12kRPM / 241MM FEED and 0.5mm DOC and cutting spray. like butter.....