Manufacturer Part Number: 31052|Minimum Drill Chuck Capacity (mm)|12.70Minimum Drill Chuck Capacity (Inch)|Minimum Drill Chuck Capacity (Decimal Inch)|0.0630Maximum Drill Chuck Capacity (mm)|12.70Maximum Drill Chuck Capacity (Inch)|1/2Maximum Drill Chuck Capacity (Decimal Inch)|0.5000Mount Type|ThreadedMounting Size|1/2-20 inKey Type|KeyedBearing Type|PlainChuck Material|SteelJaw Material|Closed Length (Inch)|3Closed Length (mm)|76.20Closed Length (Decimal Inch)|3.0000Open Length (Decimal Inch)|2.3000Open Length (mm)|58.42Open Length (Inch)|Shank Type|Shank Diameter (Inch)|Sleeve Diameter (mm)|43.69Sleeve Diameter (Inch)|Sleeve Diameter (Decimal Inch)|1.7200TIR (Decimal Inch)|Key Number|KKIncludes|Maximum RPM|Modular Connection Size|Additional Information|Coolant Style|PSN|Machine Part Compatibility|Product Service Code|UNSPSC Code|27112800