Recently, I had some parts which needed a good cosmetic finish on the surface and the end mills I were using were not working very well. It was a three tooth and judging from the finish, it looked like it had one tooth longer than the other two. It also looked like it had a poor corner radii as it was supposed to be a .005 radii and looked like it was half done. This was certainly an issue and plan on ordering new end mills shortly, so my question what company makes an end mill specifically for aluminum that has a edge radii and low relief slope behind that radii that will produce a good finish when facing? Size in question here are .375 and smaller, sometimes .500 diameter. Thanks for looking.
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