We sell all over the world precision spheres for pin on disk (ball on disk) tribometers.
Our spheres are available in diameters from 1 mm up to 30 mm.
Materials
We have spheres made of different materials:
- steel
- alloys
- hard metals
- rubber
- plastic
- glass
- Ceramic
Specifications
| Grade | Diameter tolerance (μm) | Sphericity tolerance (μm) |
| GR. 0 | ±10 | 5 |
| GR. I | ±25 | 12 |
| GR. II | ±50 | 25 |
| GR. III | ±125 | 60 |
Prices
In order to have the prices, Contact us, specifiying the material, the grade and the quantity needed