Diameter is 1/4"; Shank diameter is 3/8"; Flute length is 3/4"; Overall length is 2-1/2"; 4 flute, coarse tooth TiAlN coated; Center cutting; M42-8% cobalt Produces a smooth finish that often eliminates the need for a finishing cut for profiling and shallow slots Performance approaching solid carbide with tough high-speed steel tools Ideally professional milling bits for peripheral milling, ramping milling, helical milling, slotting milling, plugging milling and side milling Item number 1102-0014 TiAlN coated Center cutting M42-8% Premium cobalt Flutes ground by a world-classIS-9002 Factory CNC Qualified Item Standard Tooth Diameter: 1/4'' Shank Diameter: 3/8'' Flute length: 3/4'' Overall Length: 2-1/2'' 4 Flute, Coarse Tooth Produces a smooth finish that often eliminates the need for a finishing cut for profiling and shallow slots Used for aggressive machining Performance approaching solid carbide with tough H.S.S Tools Recommended for abrasive materials Excellent performance in hard materials that are difficult to cut Extremely hard, wear resistant. It is intended for Peripheral Milling, Ramping Milling, Helical Milling, Slotting Milling and Plunging Milling