China wholesale M30 Bolt Factories – 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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Our firm aims to operating faithfully, serving to all of our shoppers , and working in new technology and new machine regularly for China wholesale M30 Bolt Factories – DIN6914 Structural Hexagon Bolts – Zhongli bolts, The product will supply to all over the world, such as: Romania , Cairo , Sevilla , In the future, we promise to keep offer the high quality and more cost-effective products, the more efficient after sales service to our all customers all over the world for the common development and the higher benefit.
By Amy
from Belize
- 2017.01.28 19:59
The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
By Lauren
from Dubai
- 2018.06.12 16:22







