Manufacturer Part Number: A63.140.3/4Z.4|Shank Type|TaperShank Diameter (Decimal Inch)|Shank Diameter (mm)|Shank Diameter (Inch)|Modular Connection Size|Taper Size|HSK63AOverall Length (mm)|100.08Overall Length (Decimal Inch)|3.9400Hole Diameter|0.7500Hole Diameter (Mm) ( - 0 Decimals)|19.05Hole Diameter (Inch)|3/4Projection (Decimal Inch)|3.9400Projection (mm)|100.08Through Coolant|YesClamping Depth (Decimal Inch)|2.0500Clamping Depth (mm)|52.07Nose Diameter (Mm) ( - 2 Decimals)|33.02Nose Diameter (Decimal Inch - 4 Decimals)|1.3000TIR (Decimal Inch)|TIR (mm)|Includes|Series|Additional Information|With Cool Jet & Resealable BoresCutting Direction|Coating/Finish|Balanced To Rpm|25000Extended Reach|Product Service Code|UNSPSC Code|27112809