Our 1/4″ cnc bits for aluminum features a 45 degree helix which makes it ideal for finishing due to its high shear angle and cutting aggressiveness. 3 Flute end mills are perfect for milling aluminum and other non-ferrous materials, they also tend to reduce vibrations during the milling operation. Astra Coated Shank: 1/4″ Tip Size: 1/4″ (6.35mm) Length of Cut: 1″ (25.04mm) Available in 3/8″ Length of cut Overall Length: 2 1/2″ inches (63.5mm) Made In USA
