Manufacturer Part Number: 556U4/0|Taper Pin Size|#4/0Small End Diameter (Decimal Inch)|0.0869Flute Type|StraightShank Type|SquareOverall Length (mm)|Overall Length (Decimal Inch)|2.3125Overall Length (Inch)|2-5/16Coating/Finish|Bright/UncoatedFlute Length (mm)|Flute Length (Inch)|1-5/16Flute Length (Decimal Inch)|1.3125Large End Diameter (Decimal Inch)|0.1142Shank Diameter (Decimal Inch)|0.1250Shank Diameter (mm)|Shank Diameter (Inch)|1/8Shank Diameter|1/8Spiral Direction|Tool Material|High-Speed SteelSeries|556UTool Application|Hole Enlarging; Hole Finishing; Hole ShapingTool Performance|General PurposeCutting Direction|Right HandPrimary Workpiece Material|Primary Workpiece Material Code|Secondary Workpiece Material|Secondary Workpiece Material Code|Taper Rate|1:48Number Of Flutes|Product Service Code|UNSPSC Code|23241617