| Brand | Starrett |
|---|---|
| Reading | Mechanical |
| Model | 663 |
| Micrometer Type | micrometer head |
| MPN | 663 |
| Country of Origin | United States |
Check the listing for details. Starrett No. 663 Micrometer Head / Linear Actuator, 0-1" Range, with Box. Condition: New – Open box, Made in United States. Listed at 20.00 USD. The Starrett No. 663 Micrometer Head is a high-quality ungraduated 0–1″ micrometer head intended for OEM fixtures and precision linear positioning rather than direct measurement. The 633 is essentially a precision linear actuator—ideal for optics, jigs, fixtures, and custom metrology systems where the user adds their own scale instead of Starrett’s markings.