Harvey Tool 911795 | 1/4" Diameter x 1/8" Width x 1/4" Shank 0.0100" Corner Radus Uncoated Solid Carbide Straight Tooth Keyseat CutterProduct Specifications Mill Diameter (Decimal Inch) 0. 2500" Mill Diameter (Inch) 1 4" Neck Diameter (Decimal Inch) 0. 0780" Neck Diameter (Inch) 5 64" Cutter Width (Decimal Inch) 0. 1250" Cutter Width (Inch) 1 8" Neck Length (Decimal Inch) 0. 1250" Neck Length (Inch) 1 8" Overall Length (Decimal Inch) 2. 5000" Overall Length (Inch) 2 1 2" Radial Depth Of Cut (Decimal Inch) 0. 0760" Corner Radius (Decimal Inch) 0. 0100" Number of Flutes 6 Reach