Hand Tap Right Hand Tap Style Bottoming Size 3/8 In. Pitch 16 Material High Speed Steel Uncoated Finish Overall Length 2-15/16 In. Thread Length 1-1/4 In. Shank Dia 0.381 In. Number of Flutes 4 Thread Type UNC Pitch Diameter Limits H3 List Number 5303 Standards ANSI