Manufacturer Part Number: 230-4452|Collet Type|ExpandingCollet Size (Inch)|Collet Size (mm)|Material|SteelHead Diameter (Decimal Inch)|Head Diameter (Inch)|1Head Length (Inch)|1Pilot Hole Size (Inch)|Pilot Hole Size (Decimal Inch)|Concentricity of Collet (Decimal Inch)|0.0020Head Thickness (Inch)|Overall Length (Decimal Inch)|4.4882Overall Length (Inch)|TIR (Decimal Inch)|TIR (mm)|Internal Thread Size|1.041 in-24External Thread Size|1.242 in-20Minimum Grip (Decimal Inch)|0.4375Minimum Grip (Inch)|7/16Maximum Grip (Inch)|Maximum Grip (Decimal Inch)|0.8000Product Service Code|5136UNSPSC Code|