Decimal Diameter 0.4331 Carbide Length 1 1/4 Flute Length 1 1/4 Number of Flutes 4 Overall Length 2 1/2 Pin Hole Diameter 3/16 Shank Diameter 1/2 Tool Diameter (mm) 11.0 Weight 0.12 lbs 2440110Type 2440Stock: Call Us For Stock Status.$108.80 Category: 2440-M