Titan USA Pulley Tap, Series: 747, Measurement System: Imperial, 3/8-16 Thread, Ground/UNC Thread Standard, 1-1/4 in Thread Length, 6 in Overall Length, 4 Flutes, 0.381 in Shank Diameter, 0.286 in Square, Plug Chamfer, H3 Thread Limit, HSS, Uncoated