Decimal Diameter 0.3150 Flute Length 3 3/16 Flute Length (mm) 81 Overall Length 4 1/2 Overall Length (mm) 114 Tool Diameter (mm) 8.0 Weight 0.10 lbs 2601080Type 2601Stock: Call Us For Stock Status.$39.55 Discontinued, While Supplies Last. Category: 2601-M