Manufacturer Part Number: 3398065|Mill Diameter (Inch)|1/4Mill Diameter (Decimal Inch)|0.2500Mill Diameter (mm)|Number Of Flutes|4Length of Cut (Inch)|1/2Length of Cut (mm)|Single Or Double End|SingleEnd Mill Material|Solid CarbideCoating/Finish|AlTiCrSiNOverall Length (Inch)|4Centercutting|YesFlute Direction|Right HandCorner Radius (Decimal Inch)|0.0300Chamfer Width (Decimal Inch)|Variable Index|YesVariable Helix|NoCutting Direction|Right HandChamfer Width (mm)|Corner Radius (mm)|Corner Radius (Inch)|Overall Length (mm)|Coolant Through|NoPitch|NormalHelix Angle|Overall Length (Decimal Inch)|4.0000Chipbreaker|NoEnd Type|Corner RadiusChamfer Angle|Length Of Cut (Decimal Inch - 4 Decimals)|1.5000Length Type|ShortFlute Type|SpiralExtended Reach|YesShank Type|Straight-CylindricalMaterial Removal Type|Roughing & FinishingShank Diameter (Decimal Inch)|0.2500Shank Diameter (Inch)|1/4Shank Diameter (mm)|Neck Diameter (mm)|Neck Diameter (Decimal Inch)|Reach Length (Decimal Inch)|2.1250Reach Length (mm)|Reach Length (Inch)|2-1/8Minimum Helix Angle|Maximum Helix Angle|Corner Radius Tolerance|Mill Diameter Tolerance|Shank Diameter Tolerance|h6Overall Length Tolerance|Primary Workpiece Material|Steel; Stainless Steel; Cast Iron; Superalloys & Titanium; Hard MaterialPrimary Workpiece Material Code|P; M; K; S; HUNSPSC Code|27112803Secondary Workpiece Material|Secondary Workpiece Material Code|Material Grade|SubmicronSeries|ECI-4-VFAdditional Information|TIR Maximum (Decimal Inch)|Product Service Code|TIR Maximum (mm)|Material Application|Steel; Stainless Steel; Cast Iron; Superalloys & Titanium; Hard MaterialCoating Classification|PVDModel Number|Proprietary Coating Designation|For Use With.|ToolholderChamfer Length (Decimal Inch)|Chamfer Length (mm)|Helix Style|Manufacturers Catalog Number|ECI-4 250-500/2.12C03VF4