Thread Restoring File 8231. Files are cross-cut and depth proportional to the thread pitch, so will not skip or jump out of fine pitches. All are 7/16" square x 8-3/8" long.
Mac Tools USA TRM8 Metric Thread Restoring File 3 2.5 2 1.75 1.5 1.25 1 .75
MAC TOOLS NATIONAL FINE THREAD RESTORING FILE #TR1
MAC TOOLS NATIONAL COARSE THREAD RESTORING FILE #TR2
CTA Tools 8231 Thread Restorer File - Metric
