Standard Pack = 1 piece(s). Tap Size = Number12 ; TPI / Pitch = 28 ; Tap Style = Spiral Flute ; Thread Type = UNF ; Thread Limit = H3 ; Chamfer = 2P-3P ; Flutes = 2 ; Material = VC-10 ; Coating = V ; Overall Length = 80 mm ; Thread Length = 8.4 mm ; Neck Length = 21.6mm ; Tapping Depth = 30mm ; Shank Diameter = 0.220 inch ; Square Size = 0.165 inch ; Coolant Thru = No ; Class of Fit = 2B ; Length = 4.35 ; Width = 0.4 ; Height = 0.35 ;