Granite square box
Welding Wonders Forging Excellence Together
PRODUCTS DETAIL
Used for checking verticality and parallelism, and can be used as a 90 ° absolute measurement reference.
Granite precision measuring tools are made from high-quality “Jinan green” stone through mechanical processing and manual precision grinding. High precision, no deformation, good stability, and long lifespan.
| 规格 Dimension |
平行度 parallelism of working surface |
平面度 Flatness of working surface |
垂直度 Perpendicularity of working surface |
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| 精度等级Precision grade（μm） | ||||||
| 00级 | 0级 | 00级 | 0级 | 00级 | 0级 | |
| 100×100×100 | 1 | 2 | 1 | 2 | 1 | 2 |
| 150×150×150 | 1.5 | 3 | 1 | 2 | 1.5 | 3 |
| 200×200×200 | 2 | 4 | 1.5 | 3 | 2 | 4 |
| 300×300×300 | 3 | 6 | 1.5 | 3 | 3 | 6 |
| 400×400×400 | 4 | 8 | 2 | 4 | 4 | 8 |
| 500×500×500 | 5 | 10 | 2.5 | 5 | 5 | 10 |
