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Calibration Rods with Calibration Certificate

The included certificate of calibration traceable to NIST states that these rods have passed a test for accuracy. They let you check and set micrometers and other measuring tools. All have insulated plastic handles to minimize heat expansion.
For technical drawings and 3-D models, click on a part number.
Lg. | Lg. Tolerance | Dia. | Manufacturer | Manufacturer Model Number | Each | |
4" | 0" to 0.0001" | 1/4" | Starrett | 234A-4 | 0000000 | 0000000 |
Calibration Rods
Also known as calibration standards, these rods let you check and set micrometers and other measuring tools. For accuracy, they’re precision ground to extremely tight length tolerances. They have insulated plastic handles to minimize heat expansion.
For technical drawings and 3-D models, click on a part number.
Individual Rods

Lg. | Lg. Tolerance | Dia. | Manufacturer | Manufacturer Model Number | Each | |
Inch | ||||||
---|---|---|---|---|---|---|
4" | 0" to 0.0001" | 1/4" | Starrett | 234A-4 | 0000000 | 000000 |