uxcell BSP 55 Degree HSS Four Flutes 20 x 2.2mm Piping Thread Tap ZG1/2-14 Product Name : Piping Thread Tap;Model : ZG1/2-14 Flute Diameter : 20mm / 0.8";Flute Teeth Pitch : 2.2mm / 0.09" Shank Diameter : 18mm / 0.71";Thread Length : 28mm / 1.1" Total Length : 74mm / 2.9";Material : HSS Weight : 132g;Package : 1 x Piping Thread Tap