Tool Sets: 4 Piece Thread Restoring Files

4 Piece Thread Restoring Files Reviews

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Used to restore damage or worn external threads on bolts, pipes, etc . Each thread restoring file will work with 8 different thread sizes Convenient 4 - piece set Color caps on tubes Type 1 black cap Regular bolt 11 - 12, 13 - 14, 16 - 18, 20 - 24 TPI Type 2 red cap Ex . Fine/ex . Coarse bolt 9 - 10, 12 - 16, 20 - 27, 28 - 32 TPI Type 7 green cap Regular pipe 8 - 10, 11 1/2 - 14, 16 - 18, 24 - 27 TPI Type 8 blue cap Metric Bolt .75 - 1 .0, 1 .25 - 1 .5, 1 .75 - 2 .0, 2 .5 - 3 .0