Manufacturer Part Number: A63.145.20.3|Shank Type|TaperShank Diameter (Decimal Inch)|Shank Diameter (mm)|Shank Diameter (Inch)|Modular Connection Size|Taper Size|HSK63AOverall Length (mm)|Overall Length (Decimal Inch)|Hole Diameter|0.7874Hole Diameter (Mm) ( - 0 Decimals)|20.00Hole Diameter (Inch)|Projection (Decimal Inch)|2.9528Projection (mm)|75.00Through Coolant|YesClamping Depth (Decimal Inch)|1.9291Clamping Depth (mm)|49.00Nose Diameter (Mm) ( - 2 Decimals)|35.50Nose Diameter (Decimal Inch - 4 Decimals)|1.3976TIR (Decimal Inch)|TIR (mm)|Includes|Series|PowerAdditional Information|With Cool JetCutting Direction|Coating/Finish|Balanced To Rpm|25000Extended Reach|Product Service Code|UNSPSC Code|27112809