Dormer 5974162 is an E071 straight flute tap set for #6-40 UNF threads. This 3-piece HSS set includes taper, plug, and bottoming taps for through-hole and blind-hole applications. It features 3 flutes, bright finish, 2 in overall length, 0.58 in thread length, H2 thread limit, and #33 tap drill size.