China wholesale 12.9 Grade Bolts Manufacturer – DIN6914 Structural Hexagon Bolts – Zhongli bolts Detail:
● Place of origin: Ningbo, China
● Min quantity request: 450kgs per size
● Brand Name: ZYL
● Material: 40Cr
● Dia: M12-M36
● Surface treatment: Black oxide, H.D.G


Steel structure bolt is a kind of high strength bolt and a kind of standard parts. The fastening performance is good, and it is used for steel structure and engineering to make the fastening function.
Carbon steel 40Cr
Steel structure bolts are mainly used in steel structure engineering to connect the connection points of steel structure plates.
Black oxide.
10.9 HV
1. Are you trading company?
No, we are a factory with more than 15 years production experience.
2. What is your company’s main products?
Our main products is DIN and ANSI bolts,nuts,washers,stud bolts A193 B7
3. How long is your delivery time for steel structure bolts?
It depends on your sizes and quantity ,normally 2 months
4. How transport?
By sea.
5. Can we use our own head mark or customize package for steel structure bolts?
Yes, we can make OEM and ODM products according to customer’s request.
6. Do you have after-sales service?
Certainly, you can contact us at any time.
Product detail pictures:





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We have now sophisticated machines. Our solutions are exported to the USA, the UK and so on, enjoying a great reputation amid consumers for China wholesale 12.9 Grade Bolts Manufacturer – DIN6914 Structural Hexagon Bolts – Zhongli bolts, The product will supply to all over the world, such as: Suriname , Rio de Janeiro , Bahamas , We follow superior mechanism to process these goods that ensure optimum durability and reliability of the goods. We follow latest effective washing and straightening processes that enable us to supply unmatched quality of items for our clients. We continually strive for perfection and all our efforts are directed towards attaining complete client satisfaction.
By Octavia
from Macedonia
- 2017.01.11 17:15
The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
By Alex
from Slovak Republic
- 2018.09.23 17:37






