Nu-thread restoring, rethreading file. Restore damaged threads that are bent, rusted or cross thread. For use on screws, bolts, studs, pipe and pipe fittings. Can be used as a pitch gauge. Oxide coated to prevent corrosion. Product Features:Restore damaged threads that are bent rusted or cross threadedFor use on screws bolts studs pipe and pipe fittings Restoring size 9 10 12 16 20 27 28 and 32 TPICan be used as a pitch gaugeMade in the USA
