Basic Info.
Product Description


item | value |
Finish | Plain |
Material | Steel |
Place of Origin | China |
| Zhejiang |
Model Number | DIN7991 |
Standard | DIN |
Material | Steel |
Surface treatment | Black Oxide |
Application | Industry |
Packing | Cartons+plastic Bags |
Head type | Hexagon Flange Head |














Ningbo Steel Bolt Co., Ltd - Product Description
Frequently Asked Questions
1. Manufacturer or Trading Company?
Ningbo Steel Bolt Co., Ltd is a manufacturer of fasteners with years of experience in producing Bolts, Nuts, Threaded Rods, and Washers in Ningbo, China.
2. OEM/ODM Services?
Yes, we accept OEM/ODM services.
3. Quality Guarantee
We adhere to strict quality control measures from raw materials to finished products, following the ISO9001 quality management system. All our products are 100% qualified with lifetime warranty support.
4. Building Trust
We are a reputable fasteners factory in China with years of production experience. As a Gold member of *** and Made in China, we have credit guarantees. Orders can be placed directly through ***.
5. Pricing
We offer high-quality products at reasonable prices. Contact us for a quote.
6. Quality Control
Our QC team inspects every production link for each batch of goods. We provide MTC and mill certificates upon completion.
7. Free Samples
New customers can receive free samples for standard fasteners, with express charges covered by the client. Old customers receive free samples with express charges covered by us.
8. Small Orders
We accept orders of any size and keep stock of various fasteners. Custom production is also available.
9. Delivery Time
If in stock, delivery within 15 days. For larger quantities, delivery within 25-35 days.
10. Packaging
Standard packaging is 20-25kg per carton, with 36 or 48 cartons per pallet. Customized packaging with logos is available upon request.
11. Payment Terms
We accept T/T, L/C, D/P for general orders, and Paypal/Western Union for small or sample orders.
