Each Threadstone is individually cast in a 120” arc with internal threads to match the threads on a bolt or pipe.
The Threadstone kit contains:
- Fine and coarse grit Threadstones in sizes for bolts from 2” diameter x 8 threads per inch to 4 ¾” diameter x 8 threads per inch
- Internal thread file
- Turning fixtures for use with a power drill or hand chuck
- Hand chuck
- Specially ground chisels for major thread repair
- Square file for touchups to thread flanks
- 60” center gauge for resharpening chisels
- Aluminum oxide and acid brushes to resharpen stones
- Nylon abrasive pads for cleaning threads
- Easy to follow instruction manual
Threadstones can be custom designed for any size bolt or pipe and any pitch thread.