pShearTap Spiral Point Tap, Series 2090, Measurement System Imperial, UNF, 11812, Plug Chamfer, 4 Flutes, HSS, Black Steam Oxide Over Nitride, Right Hand Cutting, 1719 in Thread Length, 5716 in Overall Length, Steels and Stainless Steels up to 35Rc Hardness Material Applicationp.