| Specification | Details |
|---|---|
| Brand | INSIZE |
| Model | 3210-25A |
| Product Type | Outside Micrometer |
| Measuring Range | 0–25 mm |
| Graduation | 0.001 mm / 1 µm |
| Accuracy | 4 µm |
| Measuring Faces | Carbide |
| Thimble Type | Ratchet Stop |
| Display | Mechanical / Analogue |
| Operation | Manual / Mechanical |
The INSIZE 3210-25A 1µm Graduation Outside Micrometer is a high-precision mechanical measuring instrument designed for accurate measurement of external dimensions from 0 to 25 mm. With an ultra-fine 0.001 mm (1 µm) graduation and 4 µm accuracy, it is suitable for precision inspection of shafts, pins, rods, small machined components, and other external dimensions. The micrometer features carbide measuring faces for durable contact and a ratchet stop to support controlled measuring force and repeatable readings. It is suitable for CNC machining, tool rooms, quality control, precision engineering, turning, grinding, and dimensional inspection.
Key Features
1. 0–25mm Measuring Range
The 3210-25A provides a 0–25 mm measuring range, making it suitable for accurate measurement of small external dimensions such as shafts, pins, rods, and precision-machined components.
2. Ultra-Fine 1µm Graduation
With a 0.001 mm graduation, equivalent to 1 µm, the micrometer provides very fine measurement resolution for precision dimensional inspection and quality-control applications.
3. 4µm Accuracy
INSIZE specifies 4 µm accuracy for the 3210-25A, making it suitable for demanding precision measurement applications where small dimensional variations need to be evaluated.
4. Carbide Measuring Faces
The micrometer features carbide measuring faces, providing durable contact surfaces designed for repeated measurement of suitable workpieces.
5. Ratchet Stop Mechanism
The ratchet stop helps provide controlled measuring force during operation, supporting consistent contact between the measuring faces and workpiece and helping improve measurement repeatability.
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