
Round Head Hot DIP Galvanized Carriage Bolt DIN603
We have set up the company's quality inspection department to improve the quality of our steel bars, fasteners for sale, wing nut ISO9001:2008, so as to make our products more competitive in the industry circle. Based on the implementation of total quality management, our company has a superb R&D team, sophisticated production equipment, advanced manufacturing technology, and strict material selection standards. We are devoting ourselves wholeheartedly to offer customers the best service. Since its establishment, our company has been widely praised for providing products and services to many multinational companies.
Shanghai Jinrui Norm Parts Supplies Co.,Ltd is one of the leading iso carriage bolt manufacturers and suppliers in China, welcome to buy iso carriage bolts, iso standard carriage bolt from our factory and company.
Shanghai Jinrui Norm Parts Supplies Co.,Ltd is a manufacturer with a rich experience of producing bolts,nuts and screw.Shanghai Jinrui owes total assets of RMB 50 million with area of 5000㎡. The business covers 18 countries from five continents.Now three branches of Shanghai Jinrui are Shanghai Xingrui Bolt Factory, Shanghai Xingrui Wire Steel Factory, and Shanghai Xingrui Hot heading Factory.
ISO standard carriage bolts as our main product,sales well in both domestic and international countries.All ISO carriage bolts are with high quality by professional testing equipment like salt spray tester, desktop direct- reading spectrometer, metallographic analyzer and so on.This standard of carriage bolt covers the thread size from M5 to M20.
Standard | Grade | Finish | Certification |
ISO8677 | 4.8 | Plain | ISO 9001;2008 |
6.8 | Zinc plated | ||
8.8 | Yellow zinc plated | ||
10.9 | PTFE | ||
12.9 | Black | TS16949 | |
A2-70 | Dacromet | ||
A4-70 | HDG | ||
Other | Other |



Our company's product technical indicators have reached international standards, Round Head Hot DIP Galvanized Carriage Bolt DIN603 all over the country, exported overseas. At present, in the economic and market fields, we need to deeply integrate with the world, not only to maintain a strong export momentum, but also to integrate resources comprehensively and effectively. We rely on strong brand effect, complete product structure and mature marketing experience, actively exploring overseas markets.
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