Granite sqaure rulers
Four edges flat, square and parallel to each other with lightening holes
All granite products available in custom sizes and thicknesses, with threaded inserts, without lightening holes
Feature:
It is characteristic of high accuracy,,lossy black ,structure of precision ,homogeneous structure ,high strength ,hardness ,good stablility, no rust, acid-proof alkali, good wearproof ,magnetization-resisting and high durability .In general heavy load and high temperatures can maintain high precision.
Application:
For inspection of verticality and parallelism as well as absolute 90° measuring base
| Pecification (mm) | Verticality measuring face basis | Measuring surface flatness or straightness | Base surface plane or straightness | ||||
| Precision grade (um) | |||||||
| 00 | 0 | 00 | 0 | 00 | 0 | ||
| 100*63 | 2 | 4 | 1 | 1 | 1 | 1 | |
| 160*100 | 2 | 4 | 1 | 2 | 1 | 1 | |
| 250*160 | 2.5 | 5 | 1 | 2 | 1 | 2 | |
| 400*250 | 3.5 | 7 | 1 | 2.5 | 1 | 2 | |
| 630*400 | 4.5 | 9 | 1.5 | 3 | 1 | 2.5 | |
| 800*500 | 5 | 10 | 2 | 4 | 1.2 | 3 | |
| 1000*630 | 6 | 12 | 2.5 | 5 | 1.5 | 3 | |
Sales dept:
Tel:+86 180 3272 6169
E-mail: ada@willingmachine.com
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