... ,16, 18, 20, and 24 threads per inch #3 Thread file pitches:9, 10, 12, 16, 20, 27, ... sizes pitches Dies: 1/4" - 9/16" (course and fine) These will restore both left and right handed thread ... .42Pcs UNC UNF & Metric Thread Restorer Kit Contain: seven UNC, seven ... rethreaded taps, one UNF and UNC thread file and one metric thread file.Our service:1.Your inquiry ...