3/4" cutting diameter, 3 flutes, uncoated.
Ground from solid carbide. This tool cuts 3/4" diameter, has 1-5/8" of flute and measures 4" overall.
Uncoated, so the edge stays as sharp as it can be ground — the usual choice for aluminium and other soft, sticky materials.
Free TechTips resources for end mill users — machinist tested.
More help: Milling TechTips · Troubleshooting · Carbide vs. HSS Guide