Product Description
18Pc. UNF & UNC Rethreader Set Contains 8 UNF and 8 UNC rethreader dies with 2 thread files for restoring external threads. Die Sizes: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 3/4" UNF 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 3/4" UNC File Sizes: 9, 10, 11, 12, 13, 14, 16, 18, 20, 24, 27, 28, 32tp