Product Details: Manufacturer Part Number: C46431|Counterbore Diameter (Fractional Inch)|Counterbore Diameter (mm)|Counterbore Diameter (Inch)|1/2Counterbore Diameter (Decimal Inch)|Pilot Shank Diameter Compatibility (Fractional Inch)|Pilot Shank Diameter Compatibility (Decimal Inch)|Pilot Shank Diameter Compatibility (Inch)|3/16inPilot Shank Diameter Compatibility (mm)|Tool Material|High-Speed SteelCoated|Shank Type|StraightShank Diameter (Inch)|7/16Shank Diameter (Fractional Inch)|Shank Diameter (Decimal Inch)|Shank Diameter (mm)|Aircraft Style|NoFastener Size Compatibility (Fractional Inch)|Fastener Size Compatibility (Wire)|Fastener Size Compatibility (Wire)|Fastener Size Compatibility|Shank Taper Designation|Series|Shank Length (Decimal Inch)|Shank Length (Inch)|3-1/16Overall Length (mm)|Overall Length (Inch)|4-5/16Overall Length (Decimal Inch)|Flute Length (Inch)|Cutting Direction|Right HandTool Application|Tool Performance|Standard/Oversize Pilot|Primary Workpiece Material|Primary Workpiece Material Code|Secondary Workpiece Material|Secondary Workpiece Material Code|Material Application|Alloy Tool Steel; Aluminum; Cast Iron; Low-Carbon Steel; Medium-Carbon SteelCoating/Finish|Bright/Uncoated; PolishedNumber Of Flutes|3UNSPSC Code|