Item #: 72774961Brand: Scientific Cutting ToolsModel #: MS16142-4RA Features and Benefits Carbide-tipped cuts faster than high speed steel. It is commonly used on ferrous and nonferrous materials including cast iron, steel and steel alloys. Product Specifications Port Standard Designation MS 16142; SAE J1926; SAE J514 Pilot Type Reamer Port Thread Size (Decimal Inch) 0.4370-20 Port Thread Size (Inch) 7/16-20 Tool Material Carbide-Tipped Tube Dash Number 4.000 Tube Outside Diameter Compatibility (Decimal Inch) 0.250 Tube Outside Diameter Compatibility (Inch) 1/4 Minimum Pilot Diameter (Decimal Inch) 0.3880 Maximum Pilot Diameter (Decimal Inch) 0.4895 Spotface Diameter (Decimal Inch) 0.8380 Pilot Length (Decimal Inch) 0.4570 Identification Groove No Workpiece Compatibility Tubes Finish/Coating AlTiN+ Head Length (Decimal Inch) 1.2400 Overall Length (Decimal Inch) 3.1200 Shank Diameter (Decimal Inch) 0.5000 Shank Length (Decimal Inch) 1.8800 Seal Angle 12 Thread Type UNF Flute Type Straight Number of Flutes 3