Specification | Available from M2 and above, with lengths customized according to customer requirements. |
Grade | 4.8, 6.8, 8.8, 10.9, 12.9. |
Finishing | Plain, Zinc-plated (ROHS), Nickel-plated, Chrome-plated, Bronze-plated, Black Oxide, Passivated, Copper-coated, Dacromet, Ruspert, Anodic Oxidation, etc. |
Standards | ISO, GB, DIN, JIS, ANSI, BSW, IFI |
Sample Availability | Stock samples available within 7 working days; custom samples will be ready within 10-15 working days after tooling fees are received. |
Product Show

Company Profile
Rui'an Hangxin Fasteners Factory
(Qingdao Hengfei Trade Co., Ltd)
Established in 2001, Rui'an Hangxin Fasteners Factory is located in Ruian City, Zhejiang Province. We specialize in manufacturing nuts, bolts, screws, and washers. Our factory covers over 50 acres and employs more than 200 staff members.
In China, we have long-term partnerships with major companies such as Haier Group, Beijing Automotive Group, and SGMW WuLing Group. To date, we have exported our products to Europe, the United States, Russia, Southeast Asia, the Middle East, and Africa.
We have imported advanced foreign technology and equipment, including 18 multi-station cold heading machines, 38 automatic double-head tapping machines, 5 automatic punching machines, 6 automatic CNC lathes, 2 sets of multi-station cleaning anti-rust oil systems, 2 sets of infrared cameras for finished products, and 4 sets of bolt reeling machines.
We also have an export office in Qingdao, named Qingdao Hengfei Trade Co., Ltd. We welcome you to visit our factory and experience our high-quality products and excellent service!
Warehouse View
Packing in carton boxes or as per customer request
Certificate

Q: Are you a trading company or manufacturer?
A: We are a manufacturer. We also have an independent foreign trade department based in Qingdao.
Q: What is your delivery time?
A: If the product is in stock, delivery usually takes 5-10 days. If not in stock, it may take 15-20 days depending on the order quantity.
Q: Do you offer samples? Are they free?
A: Yes, we can provide samples for free, but the shipping cost is not included.
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