UNC 12-28 TPI & 0.75-3.0 MM THREAD RESTORING FILES (9999-0043)

UNC 12-28 TPI & 0.75-3.0mm Thread Restoring Files The 12-28 TPI SAE thread restoring file is suitable for pitches 12, 13, 14, 16, 18, 20, 24 & 28 per inch. The .7-3MM TPI thread restoring file is suitable for pitches .75, 1.0, 1.25, 1.5, 1.75, 2.0, 2.5, & 3mm. These files restore damaged or rusted external threads on bolts, threaded shafts, pipes and pipe fittings. The profile shape is of the files is square. Overall length is 8-1/2". Sizes are clearly marked. Shipping Weight: 0.9 lbs