Starrett Inside Hole Micrometers
Find the inside diameter of cylinders and rings. These micrometers have a plain thimble, which relies on operator feel for accurate measurements.
823 series have lightweight tubular extensions that can attach at either end of the micrometer head.
For technical drawings and 3-D models, click on a part number.
Micrometers
823 Series
| Measuring Range | Accuracy | Measuring Increments | Material | Number of Extension Rods | Extension Rod Dia. | Number of Heads | Head Travel | Includes | Manufacturer Model Number | Each | |
823 Series—Plain Thimble | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.5"-8" | ±0.0001" | 0.001" | Steel | 5 | 3/8" | 1 | 1/2" | 5 1/2" Lg. Handle | 823AZ | 000000 | 0000000 |
| 1.5"-12" | ±0.0001" | 0.001" | Steel | 8 | 3/8" | 1 | 1/2" | 5 1/2" Lg. Handle | 823BZ | 000000 | 000000 |
| 1.5"-32" | ±0.0001" | 0.001" | Steel | 10 | 3/8" | 2 | 1/2", 1" | 5 1/2" Lg. Handle | 823FZ | 000000 | 00000000 |
| 4"-24" | ±0.0001" | 0.001" | Steel | 7 | 3/8" | 1 | 1" | __ | 823CZ | 000000 | 000000 |
| 4"-32" | ±0.0001" | 0.001" | Steel | 8 | 3/8" | 1 | 1" | __ | 823DZ | 000000 | 000000 |
| 4"-40" | ±0.0001" | 0.001" | Steel | 10 | 3/8" | 1 | 1" | __ | 823EZ | 000000 | 000000 |