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Rubert 121 | Series 100 Roughness Comparator – End Milling | Ra 0.4–50.0 µm, N5–N12, 8 Patches
Part Number : 121
The Rubert 121 is a Series 100 roughness comparator dedicated to end-milled surfaces. Its 8 patches cover Ra 0.4–50.0 µm (16–2000 µin), roughness grades N5–N12. Series 100 plates are the heavy-duty design intended for workshop use, so the 121 can be kept beside the machine for comparing parts with known reference finishes. A lightweight Microsurf equivalent (321) is offered for office and design use.
Key features
- Machining method: End Milling
- Number of patches: 8
- Ra 0.4–50.0 µm / 16–2000 µin
- Roughness grades N5–N12
- Heavy-duty Series 100 construction for workshop use
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