
Hex Head Carriage Bolt
We have won the trust and support of users with high-quality Double Ends Stud, GB standard hex bolt, square lock washer, reasonable prices, timely delivery and excellent after-sales service. With the first-class technical team and scientific management, our company's sales scale is constantly expanding, and our products sell well all over the world. Over the years of development, after continuous reform and innovation, we have also formed strategic partnerships with many domestic and foreign customers. We are full of energy to meet the challenge of occupying the industrial highland in the future. With your kind help, we believe that we can create a bright future with you together. Our company has the team and the innovation practical work spirit which upliftings, forwards furiously in the market economy flood tide!
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 |



We have many years of Hex Head Carriage Bolt production experience, we can bring you the best products and services, so that you can rest assured. In the process of cooperating with other excellent enterprises, we collaborate with each other to bring the overall effect into full play, so as to create more comprehensive benefits. Our company always adheres to the market-oriented principle, and it is our responsibility to meet the needs of customers.
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