Decimal Diameter 0.3150 Carbide Length 1 Flute Length 1 Number of Flutes 4 Overall Length 2 1/4 Pin Hole Diameter 1/8 Shank Diameter 3/8 Tool Diameter (mm) 8.0 Weight 0.06 lbs 2440080Type 2440Stock: Call Us For Stock Status.$86.45 Category: 2440-M