Standard pack = 1 piece(s). Type = Spiral Point Tap ; Tap Size = 9/16 Inch ; Threads Per Inch = 18 ; Thread Type = UNF ; Chamfer = 4P ; Thread Limit = H3 ; Number of Flutes = 3 ; Coating = V ; Overall Length = 3.93 Inch ; Thread Length = 1.000 Inch ; Neck Length = 1.472 Inch ; Shank Diameter = 0.429 Inch ; Square Size = 0.322 Inch ; Square Length = 0.500 Inch ; Coolant Thru = Yes ; Material = HSSE ; STI Thread = No ; Tap Style = Spiral Point ; .