Spiral Flute Tap, 1/2"-20, Modified Bottoming, 4 Flutes, UNF, Widia, Mfr#: GT305030

Spiral Flute Tap, Thread Size 1/2 In.-20, UNF, Overall Length 3 3/8 in, HSS-E-PM, CrC/C, Thread Length 3/4 in, 75 Percent Thread Drill Size 11.40 mm, Thread Limit 3BX, Class of Fit 3BX, Thread Direction Right Hand, Number of Flutes 4