Product Description
General Metric Thread Repair File 177-8
The #177-8 Metric Thread Repair File is ideal for restoring damaged external threads on studs, bolts, screws, plumbing pipe and pipe fittings.
Contains four files covering eight thread pitches
Can also 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)
