Harvey Tool 916631-C3 | 1/4" Diameter x 1/32" Width x 1/4" Shank 0.0050" Corner Radus AlTiN Coated Solid Carbide Straight Tooth Keyseat CutterProduct Specifications Mill Diameter (Decimal Inch) 0. 2500" Mill Diameter (Inch) 1 4" Neck Diameter (Decimal Inch) 0. 1250" Neck Diameter (Inch) 1 8" Cutter Width (Decimal Inch) 0. 0310" Cutter Width (Inch) 1 32" Neck Length (Decimal Inch) 0. 7500" Neck Length (Inch) 3 4" Overall Length (Decimal Inch) 2. 5000" Overall Length (Inch) 2 1 2" Radial Depth Of Cut (Decimal Inch) 0. 0530" Corner Radius (Decimal Inch) 0. 0050" Number of Flutes 6 Reach