Vortex Carbide End Mill For Aluminium & Non-Ferrous - 3 Flute Variable Hi Helix -DLC Coated - 20mm x 100mmBased on my research into what machinists and shops actually search for and need, I've crafted a description that addresses real pain points in aluminum machining while emphasizing the technical advantages of this tool. The Vortex Carbide End Mill delivers precision cutting for demanding aluminum and non ferrous machining. This 20mm x 100mm tool combines premium carbide construction with a variable hi helix geometry and DLC coating to give you faster