Tool-Flo 2468814 Helical Flute Thread Mills; Material: Carbide ; Thread Size (Inch): 7/16-14 ; Thread Type: Internal ; Shank Diameter (Decimal Inch): 0.3120 ; Cutting Diameter (Decimal Inch): 0.3030 ; Length Of Cut (Decimal Inch - 4 Decimals): 0.9800