Manufacturer Part Number: 31138|Minimum Drill Chuck Capacity (mm)|9.53Minimum Drill Chuck Capacity (Inch)|Minimum Drill Chuck Capacity (Decimal Inch)|0.0394Maximum Drill Chuck Capacity (mm)|9.53Maximum Drill Chuck Capacity (Inch)|3/8Maximum Drill Chuck Capacity (Decimal Inch)|0.3750Mount Type|ThreadedMounting Size|3/8-24 inKey Type|KeyedBearing Type|PlainChuck Material|SteelJaw Material|Closed Length (Inch)|2-1/2Closed Length (mm)|63.50Closed Length (Decimal Inch)|2.5000Open Length (Decimal Inch)|2.0500Open Length (mm)|52.07Open Length (Inch)|Shank Type|Shank Diameter (Inch)|Sleeve Diameter (mm)|36.32Sleeve Diameter (Inch)|Sleeve Diameter (Decimal Inch)|1.4300TIR (Decimal Inch)|Key Number|K30Includes|Maximum RPM|Modular Connection Size|Additional Information|Coolant Style|PSN|Machine Part Compatibility|Product Service Code|UNSPSC Code|27112800