ETALON flat and thrust squares
- Production:
- Hexagon MI TESA (Switzerland)
Accuracy class 00 (non-planarity, non-straightness).
Made of hardened steel.
Supplies in wooden cases.
- ETALON flat squares.
| Type | Dimensions, mm | Non-perpendicularity, mkm |
| 90° flat squares | ||
| 81.115771 | 40 x 30 | 3 |
| 81.115772 | 50 x 40 | 3 |
| 81.115773 | 75 x 50 | 3 |
| 81.115774 | 100 x 70 | 3 |
| 81.115775 | 150 x 100 | 4 |
| 81.115776 | 200 x 130 | 4 |
| 90° thrust squares | ||
| 81.115777 | 40 x 30 | 3 |
| 81.115778 | 50 x 40 | 3 |
| 81.115779 | 75 x 50 | 3 |
| 81.115780 | 100 x 70 | 3 |
| 81.115781 | 150 x 100 | 4 |
| 81.115782 | 200 x 130 | 4 |
- ETALON thrust squares.
