The Metro Indicator Snap Gauge is designed for high-precision comparative measurements of cylindrical components such as diameters, shafts, and grooves. Engineered for efficiency and reliability, this gauge minimises operator influence, ensuring consistent results across production lines.
Key features
- Compatible with gauging probes or comparators (standard 8mm diameter)
- Available with fixed anvils or interchangeable M2.5 tips
- Measurement ranges from 0–160 mm, with stroke options of 6 mm or 12 mm
- Exceptional surface quality: flatness ≤ 0.2 µm, parallelism ≤ 1 µm
- Can be paired with the Metro M2 display unit for real-time digital readouts and visual pass/fail indicators
This snap gauge system streamlines inspection workflows, reduces error risks, and boosts productivity in manufacturing environments.
Fast, accurate, and operator-independent dimensional inspection

Snap gauge with a Metro display
The Metro M3 display unit is particularly adapted to be used with snap gauges. The picture below shows an example of application with 2 Heidenhain probes mounted on snap gages. The measurement is clearly shown on the M3 screen and the result also with useful green/red indicator.
The M3 facilitates the operator’s job by switching automatically the part reference on the screen by moving the probe tip. When the M3 is configured, the operator has just to place the parts on the snap gauge and that’s all.
This feature increases consequently efficiency on workshops and reduces costs as well as error risks.
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