Decimal Diameter 0.2480 Flute Length 1 3/8 Flute Length (mm) 35 Overall Length 2 1/2 Overall Length (mm) 64 Tool Diameter (mm) 6.3 Weight 0.03 lbs 2640063Type 2640Stock: In Stock.$35.05 Discontinued, While Supplies Last. Category: 2640-M