Threads and gears
Pitch gauge (thread pitch gauge)Screw pitch gauge
Also called: thread gauge (pitch), screw pitch gauge
≡Standards, measuring range and accuracy
- Standard
- Not confirmed in public sourcesNo standard could be found
- Measuring range
- —Not confirmed in public sources
- Resolution / graduation
- —Not confirmed in public sources
- Accuracy (instrument error / maximum permissible error)
- —Not confirmed in public sources
▦Types
Leaf sets by thread form: metric (60°), unified, Whitworth, etc.
Not confirmed in public sources
◎Part names and functions
| # | Name | English | Function |
|---|---|---|---|
| 1 | Leaf (pitch stamped) |
◷How to read the scale
- Place a leaf against the thread and read the pitch of the leaf that meshes with no gap (primary source not confirmed)
✋Usage steps
- No primary-source procedure was foundNot confirmed in public sources
Printed from Kezuriba (kezuriba.net/en/gauges/screw-pitch-gauge/)
✓Care, storage, inspection and calibration
Care and storage
Inspection and calibration
It is for identifying pitch; use limit gauges for pass/fail judgment of threads (OSG's material says thread limit gauges check the overall pitch diameter).
⇄Related instruments
📚Sources
Content without a mark is what agreed across two or more sources from different publishers. Procedures and cautions are summarized in Kezuriba's own words based on the sources, and the diagrams were drawn by Kezuriba. Accuracy values are manufacturers' published figures, not values from JIS tables.