| Specification | Details |
|---|---|
| Brand | INSIZE |
| Model | 3287-100B |
| Product Type | Groove Micrometer |
| Outside Measuring Range | 75–100mm |
| Inside Measuring Range | 76.5–101.5mm |
| Graduation | 0.01mm |
| Accuracy | 10µm |
| Readout | Analogue |
| Spindle Type | Non-Rotating |
| Ratchet Stop | Two-Directional |
instrument designed to measure the width and position of grooves, including grooves located inside bores. It provides a 75–100mm outside measuring range and 76.5–101.5mm inside measuring range, making it suitable for specialized dimensional inspection of machined grooves, keyways, and recessed features. With 0.01mm graduation, a non-rotating spindle, separate inside and outside graduations, and a two-directional ratchet stop, the 3287-100B supports controlled and repeatable measurements in machining, quality control, and engineering applications.
Key Features
1. Specialized Groove Measurement
The 3287-100B is designed for measuring the width and position of grooves, including grooves located inside bores. This makes it useful for inspecting recessed and machined features that may be difficult to measure with conventional micrometers.
2. Inside & Outside Measurement
The micrometer provides a 75–100mm outside measuring range and 76.5–101.5mm inside measuring range, allowing measurement of both external groove dimensions and groove features inside suitable bores.
3. Fine 0.01mm Graduation
The 0.01mm graduation provides detailed analogue readings for precision dimensional inspection and machining applications.
4. Non-Rotating Spindle
The non-rotating spindle helps maintain stable contact with the measured surface during adjustment, supporting controlled measurement of groove features.
5. Two-Directional Ratchet Stop
The two-directional ratchet stop supports consistent measuring operation from either direction, helping provide repeatable measurement pressure during inspection.
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