Cleveland C64100 Hss Npt Int. Pipe Taps

3/8-18 NPT, 4 Flutes, Bright Finish, High Speed Steel, Interrupted Thread Pipe Tap 2-9/16 Inch Overall Length, 0.7 Inch Shank Diameter, 1-1/16 Inch Thread Length, 0.53 Inch Square Size, Regular Hook, Plug Chamfer