Cutting Diameter (Size): 1/4"Cutting Diameter (Decimal Inch): 0.2500Cutting Diameter (mm): 6.35Shank Diameter (Decimal Inch): 0.2500Shank Diameter (mm): 6.35Overall Length (Decimal Inch)2.0000Overall Length (mm)50.80Length of Cut (Decimal Inch): 0.7500Length of Cut (mm): 19.05Flute Style: Up Cut / Diamond PatternEnd Style: Fish TailShank Type: Straight / CylindricalMaterial: Sub Micron Grain CarbideFinish / Coating: CVD DiamondSeries: 2120BWGraphite, CFRPApplicable Workpiece Material: AluminumApplication: Routing CFRP, Fiberglass, and Composite MaterialsUnit (inch/mm): inch