Manufacturer Part Number: JCM31037|Minimum Drill Chuck Capacity (mm)|12.70Minimum Drill Chuck Capacity (Inch)|1/16Minimum Drill Chuck Capacity (Decimal Inch)|0.0625Maximum Drill Chuck Capacity (mm)|12.70Maximum Drill Chuck Capacity (Inch)|1/2Maximum Drill Chuck Capacity (Decimal Inch)|0.5000Mount Type|ThreadedMounting Size|3/8-24 inKey Type|KeylessBearing Type|PlainChuck Material|SteelJaw Material|Closed Length (Inch)|Closed Length (mm)|73.66Closed Length (Decimal Inch)|2.9000Open Length (Decimal Inch)|Open Length (mm)|Open Length (Inch)|Shank Type|Shank Diameter (Inch)|Sleeve Diameter (mm)|42.67Sleeve Diameter (Inch)|Sleeve Diameter (Decimal Inch)|1.6800TIR (Decimal Inch)|Key Number|Includes|Maximum RPM|Modular Connection Size|Additional Information|Coolant Style|PSN|Machine Part Compatibility|Product Service Code|UNSPSC Code|27112800