4-48 Size x 0.5625" (9/16) Thread Length x H2 Limit x 0.1410" Shank DIA, High Speed Steel - 2 FL - Zrn Coated
4-48 Size x 0.5625" (9/16) Thread Length x H2 Limit x 0.1410" Shank DIA, High Speed Steel Spiral Flute - Semi-Bottoming Tap, 2 Flutes, Zrn Coated