12-28 TPI SAE THREAD RESTORING FILE (1011-0040)

12-28 TPI SAE Thread Restoring File Suitable for pitches 12, 13, 14, 16, 18, 20, 24 & 28 per inch. The profile shape is square. Overall length is 8-1/2". Sizes are clearly marked. Restores damaged or rusted external threads on bolts, threaded shafts, pipes and pipe fittings. Shipping Weight: 0.45 lbs