Decimal Diameter 0.8071 Carbide Length 2 1/2 Flute Length 2 1/2 Max Shank Diameter 0.6245 Number of Flutes 6 Overall Length 9 1/2 Tool Diameter (mm) 20.5 Weight 0.98 lbs 2458205Type 2458Stock: Call Us For Stock Status.$126.70 Category: 2458-M