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Precision Granite Square Ruler
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Precision Granite Square Ruler
Description:
Applicable to detection of perpendicularity and parallelism and used as absolute measurement reference of 90 degrees.
Specification:
Description:
Applicable to detection of perpendicularity and parallelism and used as absolute measurement reference of 90 degrees.
Specification:
| Order No | Type (mm) | Perpendicularity between the two measuring surfaces (μm) | Flatness and beeline of the measuring surfaces (μm) | Parallelim between relative measuring surfaces (μm) | Perpendicularity between side surface & measuring surfaces (μm) | Parallelism of the two side surfeces (μm) | |||||||||
| Precision grade (μm) | |||||||||||||||
| 000 | 00 | 0 | 000 | 00 | 0 | 000 | 00 | 0 | 000 | 00 | 0 | 000/00 | 0 | ||
| 300-3001 | 100 x 100 x 20 | 0.8 | 1.5 | 3 | 0.4 | 0.7 | 1.4 | 0.8 | 1.5 | 3 | 8 | 15 | 30 | 18 | 72 |
| 300-3002 | 150 x 150 x 25 | 0.8 | 1.8 | 3.5 | 0.4 | 0.8 | 1.6 | 0.8 | 1.8 | 3.5 | 9 | 18 | 34 | 21 | 84 |
| 300-3003 | 200 x 200 x 25 | 1 | 2 | 4 | 0.4 | 0.9 | 1.8 | 1 | 2 | 4 | 10 | 20 | 40 | 24 | 96 |
| 300-3004 | 250 x 250 x 30 | 1.1 | 2.2 | 4.5 | 0.5 | 1 | 2 | 1.1 | 2.2 | 4.5 | 11 | 22 | 45 | 27 | 108 |
| 300-3005 | 315 x 315 x 30 | 1.3 | 2.6 | 5.2 | 0.6 | 1.1 | 2.3 | 1.3 | 2.6 | 5.5 | 13 | 26 | 52 | 31 | 124 |
| 300-3006 | 400 x 400 x 40 | 1.5 | 3 | 6 | 0.6 | 1.3 | 2.6 | 1.5 | 3 | 6 | 15 | 30 | 60 | 36 | 144 |
| 300-3007 | 500 x 500 x 50 | 1.8 | 3.5 | 7 | 0.8 | 1.5 | 3 | 1.8 | 3.5 | 7 | 18 | 35 | 70 | 42 | 168 |
| 300-3008 | 630 x 630 x 60 | 2.1 | 4.2 | 8.3 | 0.9 | 1.8 | 3.5 | 2.1 | 4.2 | 8.3 | 21 | 42 | 83 | 50 | 199 |