Spiral Flute Tap, Thread Size 1/2 In.-14, UNF, Overall Length 3 1/8 in, HSS-E, Black Oxide, Thread Length 1 3/8 in, 75 Percent Thread Drill Size 45/64 in, Thread Limit NPTF, Class of Fit NPTF, Thread Direction Right Hand, Number of Flutes 4.
33mm, Compatible with Product Type ER Collet Chucks, Coolant Fed Non-Coolant Through, Features Square in Back of Collet Acts as a Drive for the Tap Square.Tapping Adapter, Tap Size #8, 5/32 in, Tap Square Size 3.