Manufacturer Part Number: JCM6279|Minimum Drill Chuck Capacity (mm)|12.70Minimum Drill Chuck Capacity (Inch)|Minimum Drill Chuck Capacity (Decimal Inch)|0.0800Maximum Drill Chuck Capacity (mm)|12.70Maximum Drill Chuck Capacity (Inch)|1/2Maximum Drill Chuck Capacity (Decimal Inch)|0.5000Mount Type|TaperedMounting Size|JT33Key Type|KeyedBearing Type|PlainChuck Material|SteelJaw Material|Closed Length (Inch)|Closed Length (mm)|81.53Closed Length (Decimal Inch)|3.2100Open Length (Decimal Inch)|2.5200Open Length (mm)|64.01Open Length (Inch)|Shank Type|Shank Diameter (Inch)|Sleeve Diameter (mm)|45.52Sleeve Diameter (Inch)|Sleeve Diameter (Decimal Inch)|1.7920TIR (Decimal Inch)|0.004000Key Number|K32Includes|Maximum RPM|Modular Connection Size|Additional Information|Coolant Style|PSN|Machine Part Compatibility|Product Service Code|UNSPSC Code|27112800