
Custom Non-Standard Bolt Screw Square Head Bolt Black Oxide with Slotted Nut Castle Nut
We use excellent production equipment, advanced production technology and scientific management methods to ensure the excellent quality of our ASME ANSI hex socket screw s, fastener, steel bars CE. Since its establishment, our company has been dedicated to the values of harmony, integrity, quality, innovation and win-win. We create wealth for the society, create value for customers, create opportunities for employees and create benefits for enterprises. We welcome new and outdated shoppers from all walks of lifetime to call us for long term company associations and mutual accomplishment! Our purpose is '100% client fulfillment by our product high-quality, price tag &, our staff service' and enjoy a superb reputation amongst clientele.
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 attach importance to the definition and understanding of customer needs, and provide customers with superior Custom Non-Standard Bolt Screw Square Head Bolt Black Oxide with Slotted Nut Castle Nut at reasonable prices. They are likely to help you get thorough acknowledge about our goods and make a satisfied negotiation. Based on the principle of proactive and honest management, our company provides high-quality products and services to customers all over the world to create a better future!
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