Extra Extra Long End MillsSquare EndCarbideGeneral Purpose
An extra extra long length square end mill is the longest flute length, single end, general purpose mill, where the corners are sharp and generate a 90° corner. The term "general purpose" means that the mills are manufactured with a 30° helix angle, have a primary and secondary clearance angle on the OD''s, and are center cutting. They can be used for plunging, grooving, side milling, face ...