Quote:
Originally posted by LiquidRulez
hers some pics to help you better understand what the difference between a end mill designed for non ferrous metals such as Al and Cu,and a standard helix end mill
45 degree helix end mill on left standard end mill on right
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I am going to have to look into this. I knew there where better end mills for Copper like tin coated and carbide, but I didn't know this helix deal. I want to get into milling Copper but my mill doesn't like to do it with standard end mills. I once has a tin coated 4 flute that cut copper like butter but I broke it (don't ask
). I just hate paying $20-30 each for a single sided endmill.