Manufacturer Part Number: 20100|Collet Type|ExpandingCollet Size (Inch)|Collet Size (mm)|Material|SteelHead Diameter (Decimal Inch)|Head Diameter (Inch)|3/4Head Length (Inch)|1Pilot Hole Size (Inch)|Pilot Hole Size (Decimal Inch)|Concentricity of Collet (Decimal Inch)|0.0002Head Thickness (Inch)|Overall Length (Decimal Inch)|Overall Length (Inch)|TIR (Decimal Inch)|TIR (mm)|Internal Thread Size|1.047 in-24External Thread Size|1.24 in-20Minimum Grip (Decimal Inch)|0.2500Minimum Grip (Inch)|1/4Maximum Grip (Inch)|11/16Maximum Grip (Decimal Inch)|0.6875Product Service Code|5136UNSPSC Code|