Disc Micrometers simplify measuring thickness of difficult, closely spaced sections, ribs, keys, fins, cutting edges pm forming tools, chordal thickness of gear teeth and more. The extra large diameter disc will enter normally inaccessible places suchas narrow grooves, slots and recesses.
- Ratchet thimble
- Graduation: 0.0001"
- Positive lever locking clamp.
- Quick and easy zero adjustment on sleeve.
- Flatness: 0.00004"
- Parallelism: 0.00016"