Cleveland C64099 Hss Npt Int. Pipe Taps

1/4-18 NPT, 4 Flutes, Bright Finish, High Speed Steel, Interrupted Thread Pipe Tap 2-7/16 Inch Overall Length, 9/16 Inch Shank Diameter, 1-1/16 Inch Thread Length, 0.42 Inch Square Size, Regular Hook, Plug Chamfer