Machine Tool, Surface Plate, Measuring Tool Manufacturer
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Granite Square Ruler
This granite square ruler is mainly used to test the verticality or degree of parallelism. It is manufactured in accordance with the standard of GB6092-85. We can customize precision granite square rulers of special or large sizes.
Parameters| Type (mm) | Squareness between Adjacent Measuring Surfaces | Straightness of Measuring Surface |
Parallelism between Opposite Measuring Surfaces |
|||
| Precision grade (μm) | ||||||
| 00 | 0 | 00 | 0 | 00 | 0 | |
| 160 × 160 | 2 | 4 | 0.8 | 1.7 | 2 | 4 |
| 200 × 200 | 2 | 4 | 0.9 | 1.8 | 2 | 4 |
| 250 × 250 | 2.2 | 4.5 | 1 | 2 | 2.2 | 4.5 |
| 300 × 300 | 2.6 | 5.2 | 1.1 | 2.3 | 2.6 | 5.5 |
| 400 × 400 | 3 | 6 | 1.3 | 2.6 | 3 | 6 |
| 500 × 500 | 3.5 | 7 | 1.5 | 3 | 3.5 | 7 |
Inquiry
Hebei Jingda Machine Tools Manufacturing Co., Ltd.
Add.:#4 Road, Industrial Development Zone, Botou City, Hebei Province, China.
Tel:
+86-317-5561573
+86-317-8225222
Fax: +86-317-8294068
Granite Surface Plate and Measuring Tools
