Manufacturer Part Number: 20102|Collet Type|ExpandingCollet Size (Inch)|Collet Size (mm)|Material|SteelHead Diameter (Decimal Inch)|Head Diameter (Inch)|1-1/2Head 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)|0.7500Minimum Grip (Inch)|3/4Maximum Grip (Inch)|1-7/16Maximum Grip (Decimal Inch)|1.4375Product Service Code|5136UNSPSC Code|