Standard Pack = 1 piece(s). Tap Size = 1/2 inch ; TPI / Pitch = 13 ; Tap Style = Spiral Point ; Thread Type = UNC ; Thread Limit = H3 ; Chamfer = 4P - 4.5P ; Flutes = 3 ; Material = HSSE ; Coating = STEAM OXIDE ; Overall Length = 3-3/8 inch ; Thread Length = 1-21/32 inch ; Shank Diameter = 0.367 inch ; Square Size = 0.275 inch ; Coolant Thru = No ; Length = 4.95 ; Width = 0.7 ; Height = 0.65 ;