NORTH AMERICAN 20386 Special Hand Tap Plug Tap Style Straight Flute Material M1 Tool Steel Finish Bright Flutes 4 Size M10 Pitch 1.5 Thread Type Straight Thread Length 1.250 In. Thread Length 31.750 mm Overall Length 2.938 In. Overall Length 74.613 mm Pitch Diameter Limits D3 Shank Dia. .381 Application General Purpose Standards ANSI List Number 20386