Manufacturer Part Number: 81537|Mill Diameter (Inch)|1/4inMill Diameter (Decimal Inch)|0.2500inMill Diameter (mm)|Number Of Flutes|3End Mill Material|Solid CarbideEnd Type|Length of Cut (Inch)|3/8inLength of Cut (mm)|Coating/Finish|Bright/UncoatedOverall Length (Inch)|3inShank Diameter (Inch)|1/4inExtended Reach|YesVariable Helix|NoVariable Index|YesHelix Angle|40Overall Length (Decimal Inch)|3.0000inOverall Length (mm)|Chipbreaker|NoUndercutting|NoLength Of Cut Range (Decimal Inch)|0.2000 to 0.4000Length Type|StubHelix Style|HighMaterial Removal Type|Roughing & FinishingShank Diameter (Decimal Inch)|0.2500Shank Diameter (mm)|Neck Diameter (Decimal Inch)|0.2370inNeck Diameter (mm)|Nose Radius (mm)|Nose Radius (Decimal Inch)|0.1250Neck Length (Inch)|Neck Length (Decimal Inch)|1.2450Neck Length (mm)|Reach Length (Inch)|1-5/8Reach Length (mm)|Reach Length (Decimal Inch)|1.6200Mill Diameter Tolerance|h6Shank Diameter Tolerance|h6Overall Length Tolerance|+0.0620/-0.0620 inMaximum Helix Angle|40Minimum Helix Angle|40Primary Workpiece Material|Non-Ferrous MetalPrimary Workpiece Material Code|NSecondary Workpiece Material|Secondary Workpiece Material Code|Material Grade|CarbideFlute Direction|Right HandCutting Direction|Right HandSeries|3 Flute, Ball - 40 Helix, Variable Pitch, Reduced Neck, End Mills for Aluminum Alloys & Non-Ferrous MaterialsFlute Type|HelicalTIR Maximum (Decimal Inch)|0.0003UNSPSC Code|27112803TIR Maximum (mm)|Product Service Code|Additional Information|Centercutting|YesCoating Classification|UncoatedCorner Radius (Decimal Inch)|Single Or Double End|SingleShank Type|Straight-CylindricalModel Number|Pitch|NormalCoolant Through|NoLength Of Cut (Decimal Inch - 4 Decimals)|0.3750inManufacturers Catalog Number|81537System Of Measurement|Fractional Inch