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Rubert 122 | Series 100 Roughness Comparator – Reaming and Drilling | Ream Ra 0.4–3.2 µm, Drill 1.6–12.5 µm
Designed for reamed and drilled bores, the Rubert 122 belongs to the heavy-duty Series 100 range built for the workshop floor. It provides 8 (4 + 4) reference patches spanning reaming patches covering Ra 0.4–3.2 µm (16–125 µin, N5–N8) and drilling patches covering Ra 1.6–12.5 µm (63–500 µin, N7–N10). Machinists and inspectors use it to compare a reaming & drilling finish directly against known roughness values. A lightweight Microsurf equivalent (322) is offered for office and design use.
Key features
- Machining method: Reaming and Drilling
- Number of patches: 8 (4 + 4)
- Reaming: Ra 0.4–3.2 µm / 16–125 µin, N5–N8
- Drilling: Ra 1.6–12.5 µm / 63–500 µin, N7–N10
- Heavy-duty Series 100 construction for workshop use
- Specifications
| Part Number | 122 |
| Brand | Rubert |
| Series | 100 (heavy-duty, workshop use) |
| Machining Method | Reaming and Drilling |
| Number of Patches | 8 (4 + 4) |
| Ra Range (µin) | Reaming 16 to 125; drilling 63 to 500 |
| Ra Range (µm) | Reaming 0.4 to 3.2; drilling 1.6 to 12.5 |
| N-Groups | Reaming N5 to N8; drilling N7 to N10 |
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