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