Manufacturer Part Number: 1021496|Collet System|ERCollet Series|ER20Shank Type|StraightTaper Size|Modular Connection Size|Projection (Decimal Inch)|1.7500inProjection (mm)|Projection (Inch)|1-3/4inThrough Coolant|YesMinimum Collet Capacity (mm)|0.51Minimum Collet Capacity (Inch)|Minimum Collet Capacity (Decimal Inch)|0.0200inMaximum Collet Capacity (Inch)|1/2inMaximum Collet Capacity (mm)|12.70Maximum Collet Capacity (Decimal Inch)|0.5000inOverall Length (mm)|177.80mmOverall Length (Inch)|7inOverall Length (Decimal Inch)|7.0000inActuator Type|WrenchDual Contact|Nose Diameter (Inch)|Nose Diameter (Decimal Inch - 4 Decimals)|Nose Diameter (Mm) ( - 2 Decimals)|Maximum RPM|Shank Diameter (Inch)|1inShank Diameter (Decimal Inch)|1.0000Shank Diameter (mm)|Shank Length (Inch)|Shank Length (Decimal Inch)|5.2500inShank Length (mm)|TIR (mm)|0.0025TIR (mum)|TIR (Decimal Inch)|0.0001inMaterial|Coolant Type|Through-SpindleCollet Nut Diameter (mm)|34.01Collet Nut Diameter (Decimal Inch)|1.3390Nut Tightening Torque (Ft/Lb)|Nose Type|Type|Head Length (Inch)|Hex Diameter (Decimal Inch)|1.3400Hex Diameter (Inch)|Hex Diameter (mm)|Additional Information|Locknut Diameter (Decimal Inch)|Bin|C|F|No Description|No Description|No Description|No Description|No Description|No Description|No description|No Description|Flat Dimension (Inch)|Hex Shank Size (Decimal Inch)|Product Service Code|5136Manufacturer's Part Number|UNSPSC Code|27112808Head Length (Decimal Inch)|Lock Nut Length (Decimal Inch)|Flat Dimension (Decimal Inch)|Chuck Model|Inside Modular Connection Size|Tapping Style|Balanced To Rpm|8000RPMHex Size (Inch)|Quick Change|For Use With|Thread Size (Inch)|Adapter Size|Thread Size (mm)|