China wholesale ASTM A307 Hex Bolt Suppliers – 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 often stay with the principle "Quality Very first, Prestige Supreme". We have been fully committed to supplying our consumers with competitively priced high-quality goods, prompt delivery and skilled provider for China wholesale ASTM A307 Hex Bolt Suppliers – DIN6914 Structural Hexagon Bolts – Zhongli bolts, The product will supply to all over the world, such as: Spain , Kazakhstan , Singapore , We look forward to hearing from you, whether you are a returning customer or a new one. We hope you will find what you are looking for here, if not, please contact us immediately. We pride ourselves on top notch customer service and response. Thank you for your business and support!
By Honorio
from South Korea
- 2018.11.28 16:25
The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.
By Jodie
from Durban
- 2018.05.13 17:00




