Standard Length Ball End Mills - The Carbide End Mill Store
These carbide ball end mills have a standard length flute (3xD), two or four cutting edges, and a center cutting full radius or "ball" on the end. The "general purpose" mills have flutes with a 30° helical spiral and an OD grind which has a standard primary and secondary clearance angle. The straight flute mills have no helix in the flute.