Description
Thread Restoring Files. Restores damaged threads on bolts and shafts. 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. SAE, Pitch Sizes: 11, 12, 13, 14, 16, 18, 20, 24 Threads per inch.
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