Standard Pack = 1 piece(s). Cutter Diameter = 0.305 IN ; Length of Cut = 5/8 IN ; Minimum Thread Size = 1/4 & 3/8 IN Pipe ; Number of Flutes = 4 ; Overall Length = 3 IN ; Pipe = NPT ; Pitch = 18 IN ; Shank Diameter = 5/16 IN ; Type = Helical Flute AlTiN Coated Thread MILLS - Pipe Threads ;