Granite Marble Lever Rule Parallel Gauge Measuring Tool Straight Edge Black Levelling Ruler 500*100*60mm
Physical properites:
Proportion,2970-3070kg/m3
Compression strength,245-254kg/mm2
Flexible grinding capacity,1.27-1.47N/mm2
Coefficient of linear expansion,4.6×1-6°C
Water absorption 0.13%
Shore hardness HS, more than 70.
Precision has 00, 0, grade. It is the ideal tool for drawing line and inspection at precision processing company.
Granite measuring tools have the following characteristics
1. high precision reliable stability resistance to deform and guaranteed accuracy under normal ambient temperature.
2. No-rust and anticorrosion
3. wear resistance long service life
4. any working surface cutting or scratching dose not bring about rough edges which might influence its measuring presicion.
5. nonmagnetization.
6. gloosy surface without sluggishness when the workplaces or tools are moving on it .
| Type(mm) | Straightness&Flatness of working surface (μm) | Parallelism tolerance between the upper and lower measuring surfaces (μm) | ||
| grade00 | grade0 | grade00 | grade0 | |
| 500×100×40 | 1.6 | 2.6 | 2.4 | 3.9 |
| 750×100×40 | 2.1 | 3.5 | 3.2 | 5.3 |
| 1000×120×40 | 3.0 | 5.0 | 4.5 | 7.5 |
| 1500×150×60 | 4.4 | 7.4 | 6.6 | 11.1 |
| 2000×200×80 | 5.4 | 10.0 | 8.1 | 13.5 |
| 3000×200×80 | 8.0 | 16.0 | 12.0 | 24.0 |
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us as below:
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