Granite straight edge

Model:	-
Brand:	Granite ruler
Origin:	Made In China
Category:	Industrial Supplies / Tools / Other Tools
Label:	straight edge , granite ruler , leveling ruler
Price:	-
Min. Order:	1 pc

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Product Description

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.

This product is mainly used in testing the straightness and flatness of work-piece and equipment installing.

Tpye (mm)	Straightness and flatness of working surface		Parallelism between working surface
	Precision grade ( μm)
	00	0	00	0
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	16	12	24

Your inquiry is highly appreciated. We will offer you very competitive prices with high quality .Hope this will be a nice start of our long business cooperation.