Dormer 5974213 is an E071 straight flute tap set for #8-36 UNF threads. This 3-piece HSS set includes taper, second, and plug lead taps for through-hole and blind-hole applications. It features 4 flutes, bright finish, 2-1/8 in overall length, 0.65 in usable length, H2 thread limit, and #29 tap drill size.