Stainless Steel 304/316 Square U Bolts/U-Bolt
**Place of Origin:** Hebei, China (Mainland)
**Brand Name:** Qijing
**Standard:** ISO, DIN, Etc.
**Name:** Zinc Plated Expansion Bolts
**Material:** Carbon Steel, Stainless Steel, Brass
**Grade:** 4.8, 8.8, 10.9, 12.9, A2-70, A4-80
**Size:** M6-M24
**Finish:** Yellow, Blue, White Zinc
**Surface Treatment:** Zinc-Plating
**Certificate:** ISO 9001:2008
**Products**


**Promise:**
1. High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. Best service
**Why Choose Us**
We have over 10 years of experience in the fastener industry. We are a professional supplier based in China, exporting products under standards such as DIN, JIS, GB, ANSI, and BS, as well as custom non-standard fasteners. Our clients include companies from South Korea, Iran, Europe, India, and the United States, all of whom have provided positive feedback. We appreciate your interest in our company and hope that this website will be helpful and informative for you. If you need more information, please contact our sales team.
**Kindly contact me if you're interested in our products.**

Our U-bolts are widely used in machinery, chemical industry, environmental systems, and construction. They come in various lengths, ranging from 6mm to 300mm, with tensile strength up to 700 N/mm². Available in multiple finishes including zinc-plated and hot-dip galvanized, these bolts offer excellent corrosion resistance and durability. Whether you need standard or custom designs, we can meet your requirements. With reliable quality, competitive pricing, and fast delivery, we are your ideal partner for all your fastener needs.
Name | U Bolt |
Size | M6-M24 or Non-Standard as Request & Design |
Material | Stainless Steel |
Grade | 304, 316 |
Standard | DIN |
Non-standards | OEM is available, according to drawing or samples |
Samples | Samples are free. |
Package | Bulk in master cartons, then on pallets, or according to customers' requirement. |
Payment | T/T or L/C |





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