| Model: | - |
|---|---|
| Brand: | square ruler |
| Origin: | Made In China |
| Category: | Industrial Supplies / Other Industrial Supplies |
| Label: | granite square ruler , square ruler , granite square |
| Price: |
-
|
| Min. Order: | 2 pc |
| Live Chat: | Last Online:05 Jan, 2013 |
The Jingda granite series instruments are made of high quality Jinan black granite stone.Due to the high precision,long duration,good stability and corrosion resistance,they have been more and more used in product inspection of modern industry and scientific areas as mechianical space and scientific researches.
The precision of our products is in line with the standards of advanced countries.Grade "0",grade "00" and grade"000" are valid.We have standard size in stock.and for special size we can make according to your requirements.
Granite square ruler is mainly used for inspection and scribing of the right angle of various parts and also used for the perpendcularity measurement of relevant surfaces of parts during the installation and maintenance of equipment.
Granite square ruler is mainly used for testing the perpendicularity and parallelism of the workpieces or tools.
|
Typemm)
|
Squareness between
measuring surface and datum surface |
Flatness and straightness
of measuring surface |
Flatness and straightness
of datumsurface |
|||
|
Precision Grade (μm)
|
||||||
|
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
|
|
1000×630
|
6
|
12
|
2.5
|
5
|
1.5
|
5
|
Please send us inquiry for quotations ,we will offer you very competitive prices with high quality .Hope this will be a nice start of our long business cooperation.
