4-40 Size x 0.5630" Thread Length x H2 Limit x 0.1410" Shank DIA, High Vanadium Powdered Metal - 2 FL - Steam Oxide Coated
4-40 Size x 0.5630" Thread Length x H2 Limit x 0.1410" Shank DIA, High Vanadium Powdered Metal High Performance - Spiral Flute Semi-Bottoming Tap, 2 Flutes, Steam Oxide Coated