Decimal Diameter 0.6890 Carbide Length 1 1/2 Flute Length 1 1/2 Number of Flutes 6 Overall Length 3 Pin Hole Diameter 1/4 Shank Diameter 5/8 Tool Diameter (mm) 17.5 Weight 0.29 lbs 2430175Type 2430Stock: 4.$131.75 Category: 2430-M