
Stainless Steel Half Round Head Square Neck Carriage Bolt
Through years of concentration and persistence, our company has accumulated rich practical experience for customer service, won a good market reputation for the company's strength, and made positive efforts for the overall development of hot rolled carbon steel wire, wall anchor, bolt and nut industry. Our company always believes that there are customers after customers and the beginning of service is the beginning of sales. Our company actively develop trade relations with countries around the world and have established a global marketing network. We have a sound, perfect, continuous and effective operation of the quality assurance system.
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 strictly control and manage all links related to equipment quality, and have established scientific inspection standards to ensure the continuous and stable manufacturing of qualified Stainless Steel Half Round Head Square Neck Carriage Bolt. Since establishment, we are committed to providing outstanding quality, economical solutions, impeccable support and after-sales service for every client. We look forward to being able to work together with you in the near future. We're sure your any inquiry or requirement will get prompt attention, high-quality products, preferential prices and cheap freight.
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