Spiral Point Tap Right Hand Tap Style Plug Size 1/2 In. Pitch 13 Material High Speed Steel-E Steam Oxide Finish Overall Length 3-27/64 In. Thread Length 9/64 In. Shank Dia 0.367 In. Number of Flutes 3 Thread Type UNC Pitch Diameter Limits H3 List Number 505SS Standards USCTI 302