uxcell G1/4-19 4 Flutes 63mm Long BSP 55 Degree HSS Piping Thread Tap Product Name : Piping Thread Tap;Model : G1/4-19 Flute Diameter : 13mm / 0.51" Shank Diameter : 11mm / 0.43";Thread Length : 25mm / 1" Total Length : 63mm / 2.5";Material : HSS Weight : 47g;Package : 1 x Piping Thread Tap