Starrett Ball Attachments for Outside Micrometer Calipers
- Snaps on anvil of regular micrometers for measuring wall thickness of tubing, bearings, sleeves, etc.
- Ball is hardened and moves freely in retainer
- The diameter (.200″ English/5mm metric) of each ball used must be subtracted from micrometer readings
| Part No. | Description |
| 247A | .235" Diameter Anvil |
| 247B | .270" Diameter Anvil |
| 247C | .200" Diameter Anvil |
| 247D | .250" Diameter Anvil |
| 247E | .300" Diameter Anvil |
| 247MA | .235" Diameter Anvil |
| 247MB | .270" Diameter Anvil |
- Contact Heavy Maintenance Supply 205-284-5284 for more information
