Big Gator Tools STI-UNF200SNP - V-Tapping Guide® for Fine Threads - Tap and Die
All drill and tap guides are made from steel that is heat treated for durability. STI-UNF V-TapGuide® handles9 Unified Fine Thread sizes (9 holes): 5/8-18, 9/16-18, 1/2-20, 7/16-20, 3/8-24, 5/6-24, 1/4-28, 10-32, 8-36".