Tap Tap Style Straight Flute (Hand) Tap Dimension Type Inch Tap Thread Size 1-72 Tap Chamfer Plug Number of Flutes 2 Pitch Diameter Limit H1 Tap Material High Speed Steel Tap Finish Oxide Tap Thread Type UNF Right Hand Thread Length 3/8 In. Shank Dia 0.141 In. Overall Length 1-11/16 In. Number of Pieces 1California proposition 65 warning