General Thread Repair File No. 2 177-2
The 177-2 Thread Repair File No. 2 is ideal for restoring damaged external threads on studs, bolts, screws, plumbing pipe and pipe fittings.
Contains four files covering eight thread pitches
Also can be used to restore rusted or corroded fasteners
Doubles as a screw pitch gage
Made of carbon steel, black oxide-finished to prevent rust
Thread pitches covered: 9, 10, 12, 16, 20, 27, 28 and 32 T.P.I. (threads per inch)
