Decimal Diameter 0.1969 Carbide Length 1/2 Flute Length 1 Number of Flutes 4 Overall Length 2 1/4 Pin Hole Diameter 3/32 Shank Diameter 1/4 Tool Diameter (mm) 5.0 Weight 0.03 lbs 2440050Type 2440Stock: Call Us For Stock Status.$76.40 Category: 2440-M