Manufacturer Part Number: JCM6628Z|Minimum Drill Chuck Capacity (mm)|6.35Minimum Drill Chuck Capacity (Inch)|Minimum Drill Chuck Capacity (Decimal Inch)|0.0000Maximum Drill Chuck Capacity (mm)|6.35Maximum Drill Chuck Capacity (Inch)|1/4Maximum Drill Chuck Capacity (Decimal Inch)|0.2500Mount Type|ThreadedMounting Size|3/8-24 inKey Type|KeyedBearing Type|PlainChuck Material|Stainless SteelJaw Material|Closed Length (Inch)|Closed Length (mm)|49.53Closed Length (Decimal Inch)|1.9500Open Length (Decimal Inch)|1.5700Open Length (mm)|39.88Open Length (Inch)|Shank Type|Shank Diameter (Inch)|Sleeve Diameter (mm)|28.45Sleeve Diameter (Inch)|Sleeve Diameter (Decimal Inch)|1.1200TIR (Decimal Inch)|Key Number|K1MIncludes|Maximum RPM|Modular Connection Size|Additional Information|Coolant Style|PSN|Machine Part Compatibility|Product Service Code|UNSPSC Code|27112800