
Carbon Steel Grade 8.8 M24 Black Track Bolt
Our company insists on continuous reform and innovation in product development, business management and service in order to pursue new breakthroughs. We always put the interests and needs of customers in the first place, carefully and attentively to provide our users with stainless steel wire, GB Flange Nut, wing nut ISO9001:2008 of superior cost performance. We care about your needs, we pay attention to the quality of products, your satisfaction is our pursuit, quality and integrity is our goal. We can provide enterprises with fast and high-quality technical services and support.
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 Carbon Steel Grade 8.8 M24 Black Track Bolt is trusted and supported by our customers, which has led to the rapid development of our company into a large-scale enterprise. Our company has always been market-oriented as the principle, constantly absorb market information to understand customer needs and in line with the world to produce customer satisfaction products. We provide quality assurance with high-quality management, advanced production technology and excellent service.
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