Manufacturer Part Number: 21005-90C|Taper Size|CAT50Thread Size (Inch)|1-8Thread Size (mm)|Overall Length (Decimal Inch)|3.3460Angle Radius|90degreeKnob Diameter (mm)|Knob Diameter (Decimal Inch)|0.9060Through Coolant|YesNeck Diameter (Decimal Inch)|Pilot Diameter (Decimal Inch)|Knob to Flange Length (Decimal Inch)|Flange Thickness (Decimal Inch)|Coolant Hole Diameter (Decimal Inch)|Material|High Torque|Style|Series|Product Service Code|UNSPSC Code|