Balax® STI Thredfloer Tap, Series: 11402, Measurement System: Imperial, #6-32 Thread, UNC Thread Standard, 0.58 in Thread Length, 2-3/8 in Overall Length, 1 Flutes, Bottoming Chamfer, Class of Fit: H2, 0.194 in Shank Diameter, 4.1 mm Tap Drill, 0.152 in Square, HSS, Bright