Decimal Diameter 0.8071 Flute Length 3 3/8 Flute Length (mm) 86 Overall Length 5 1/4 Overall Length (mm) 133 Tool Diameter (mm) 20.5 Weight 0.77 lbs 2640205Type 2640Stock: Call Us For Stock Status.$204.45 Discontinued, While Supplies Last. Category: 2640-M