Cutting Diameter (Size): 0.0260"Cutting Diameter (Decimal Inch): 0.0260Cutting Diameter (mm): 0.66Shank Diameter (Decimal Inch): 0.1250Shank Diameter (mm): 3.18Overall Length (Decimal Inch): 1.500Overall Length (mm): 38.10Length of Cut (Decimal Inch): 0.078Length of Cut (mm): 1.98Length Type: StandardHelix Angle (Degree): 30Number of Flutes: 4Flute Style: Right Hand Spiral / Medium HelixType: Micro, Center CuttingHand of Cut: Right-HandShank Type: Straight / CylindricalMaterial: Sub Micron Grain CarbideFinish / Coating: AlTiNSeries: 1825Primary Workpiece Material: Steel ~30HRC, Steel 30~40HRC, Hardened Steel ~55HRCSecondary Workpiece Material: Hardened Steel ~68HRC, Stainless Steel, Cast Iron, Nickel / Cobalt, Titanium AlloyApplication: Roughing / FinishingUnit of Measure: inch