Manufacturer Part Number: JCM6204|Minimum Drill Chuck Capacity (mm)|4.00Minimum Drill Chuck Capacity (Inch)|Minimum Drill Chuck Capacity (Decimal Inch)|0.0000Maximum Drill Chuck Capacity (mm)|4.00Maximum Drill Chuck Capacity (Inch)|Maximum Drill Chuck Capacity (Decimal Inch)|0.1575Mount Type|ThreadedMounting Size|5/16-24 inKey Type|KeyedBearing Type|PlainChuck Material|SteelJaw Material|Closed Length (Inch)|Closed Length (mm)|38.86Closed Length (Decimal Inch)|1.5300Open Length (Decimal Inch)|1.1700Open Length (mm)|29.72Open Length (Inch)|Shank Type|Shank Diameter (Inch)|Sleeve Diameter (mm)|21.59Sleeve Diameter (Inch)|Sleeve Diameter (Decimal Inch)|0.8500TIR (Decimal Inch)|Key Number|K0Includes|Maximum RPM|Modular Connection Size|Additional Information|Coolant Style|PSN|Machine Part Compatibility|Product Service Code|UNSPSC Code|27112800