Manufacturer Part Number: 52081|Accessory Type|Spindle SquareFor Use With|Vertical Milling MachinesCalibrated|Graduation (mm)|Graduation (Decimal Inch)|0.00050Mount Type|Material|SteelInside Diameter (mm)|Inside Diameter (Decimal Inch)|Outside Diameter (mm)|Outside Diameter (Inch)|Shank Diameter (mm)|Shank Diameter (Decimal Inch)|0.3800Shank Diameter|0.38inThread Length (Decimal Inch)|Thread Length (Decimal Inch)|Thread Length (mm)|Maximum Hole Depth (Inch)|Maximum Hole Depth (mm)|Thread Size|Traceability Certification Included|Legend|Product Service Code|UNSPSC Code|