OEM/ODM Factory Automated Optical Inspection Precision Granite - Granite Straight Ruler with Precision of 0.001mm – ZHONGHUI
OEM/ODM Factory Automated Optical Inspection Precision Granite - Granite Straight Ruler with Precision of 0.001mm – ZHONGHUI Detail:
The granite straight ruler with lightening hole made of Jinan black granite. Its precision can reach 0.001mm. It is mainly used as assembly, installation, inspection of machine tools, inspect vertical degree, parallelism and straightness of guides and precision component in ultra precision industry and scientific research institutes.
Item No. | Dimensions (mm) | Working surface straightness tolerance(µm) | Parallelism tolerance of upper and lower working surfaces (µm) | Perpendicularity of working surface to sides (µm) | |||||
Length | Width | Height | Grade 00 | Grade 0 | Grade00 | Grade 0 | Grade 00 | Grade 0 | |
ZHGSR-400 | 400 | 60 | 25 | 1.6 | 1.6 | 2.4 | 3.9 | 8.0 | 13.0 |
ZHGSR-630 | 630 | 100 | 35 | 2.1 | 3.5 | 3.2 | 5.3 | 10.5 | 18.0 |
ZHGSR-1000 | 1000 | 160 | 50 | 3.0 | 5.0 | 4.5 | 7.5 | 15.0 | 25.0 |
ZHGSR-1600 | 1600 | 250 | 80 | 4.4 | 7.4 | 6.6 | 11.1 | 22.0 | 37.0 |
If you have special requirements, we can make granite straight ruler with length≤ 2000mm reach 0.001mm.
Model |
Details |
Model |
Details |
Size |
Custom |
Application |
CNC, Laser, CMM… |
Condition |
New |
After-sales Service |
Online supports, Onsite supports |
Origin |
Jinan City |
Material |
Black Granite |
Color |
Black / Grade 1 |
Brand |
ZHHIMG |
Precision |
0.001mm |
Weight |
≈3.05g/cm3 |
Standard |
DIN/ GB/ JIS… |
Warranty |
1year |
Packing |
Export Plywood CASE |
After Warranty Service |
Video technical support, Online support, Spare parts, Field mai |
Payment |
T/T, L/C… |
Certificates |
Inspection Reports/ Quality Certificate |
Keyword |
Granite Straight Ruler, Granite Straight Edge, Granite Machine Base; Granite Mechanical Components; Granite Machine Parts; Precision Granite |
Certification |
CE, GS, ISO, SGS, TUV… |
Delivery |
EXW; FOB; CIF; CFR; DDU; CPT… |
Drawings’ format |
CAD; STEP; PDF… |
1. The granite is after a long-term natural aging, the organizational structure is uniform, the expansion cofficient is small, the internal stress completely disappeared.
2. Not afraid of acid and alkali corrosion, will not rust; do not need oiling, easy to maintain, long service life.
3. Not limited by the constant temperature conditions, and can maintain the high precision at room temperature.
No be magnetized, and can move smoothly while measuring, no tight feeling, free of the affect of moisture, good flatness.
1. Documents together with products: Inspection reports + Calibration reports(measuring devices) + Quality Certificate + Invoice + Packing List + Contract + Bill of Lading(or AWB).
2. Special Export Plywood Case: Export fumigation-free wooden box.
3. Delivery:
Ship |
Qingdao port |
Shenzhen port |
TianJin port |
Shanghai port |
… |
Train |
XiAn Station |
Zhengzhou Station |
Qingdao |
… |
|
Air |
Qingdao Airport |
Beijing Airport |
Shanghai Airport |
Guangzhou |
… |
Express |
DHL |
TNT |
Fedex |
UPS |
… |
1. We will offer technical supports for assembly, adjustment, maintain.
2. Offering the manufacturing &inspection videos from selecting material to delivery, and customers can control and know every detail at anytime anywhere.
Product detail pictures:

Related Product Guide:
With a positive and progressive attitude to customer's interest, our company continuously improves our product quality to meet the needs of customers and further focuses on safety, reliability, environmental requirements, and innovation of OEM/ODM Factory Automated Optical Inspection Precision Granite - Granite Straight Ruler with Precision of 0.001mm – ZHONGHUI , The product will supply to all over the world, such as: Sri Lanka, Zambia, Manchester, So that you can utilize the resource from the expanding info in international trade, we welcome shoppers from everywhere on-line and offline. In spite of the good quality solutions we provide, effective and satisfying consultation service is supplied by our professional after-sale service team. Product lists and detailed parameters and any other info weil be sent to you timely for your inquiries. So you should make contact with us by sending us emails or call us if you have any questions about our corporation. ou may also get our address info from our web page and come to our company to get a field survey of our merchandise. We've been confident that we have been going to share mutual achievement and create strong co-operation relations with our companions in this marketplace. We're searching forward for your inquiries.
QUALITY CONTROL
If you can’t measure something, you can’t understand it!
If you can’t understand it.you cant control it!
If you can’t control it, you can’t improve it!
More information please click here: ZHONGHUI QC
ZhongHui IM, your partner of metrology, help you succeed easily.
Our Certificates & Patents:
ISO 9001, ISO45001, ISO14001, CE, AAA Integrity Certificate, AAA-level enterprise credit certificate…
Certificates and Patents are an expression of a company’s strength. It’s society’s recognition of the company.
More certificates please click here: Innovation & Technologies – ZHONGHUI INTELLIGENT MANUFACTURING (JINAN) GROUP CO., LTD (zhhimg.com)

The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
