Tap Tap Style Straight Flute (Hand) Tap Dimension Type Inch Tap Thread Size 3/8 In.-24 Tap Chamfer Plug Number of Flutes 3 Pitch Diameter Limit H2 Tap Material High Speed Steel Tap Finish Oxide Tap Thread Type UNF Right Hand Thread Length 1-1/4 In. Shank Dia 0.318 In. Overall Length 3-15/16 In. Number of Pieces 1California proposition 65 warning