China wholesale Standard ASTM A307 Hex Bolts Factories – DIN6914 HV EN14399-3 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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High-quality comes 1st; support is foremost; business is cooperation" is our small business philosophy which is regularly observed and pursued by our organization for China wholesale Standard ASTM A307 Hex Bolts Factories – DIN6914 HV EN14399-3 structural hexagon bolts – Zhongli bolts, The product will supply to all over the world, such as: South Africa , Puerto Rico , Provence , Our company regards "reasonable prices, high quality,efficient production time and good after-sales service" as our tenet. We hope to cooperate with more customers for mutual development and benefits in future. Welcome to contact us.
By Rosemary
from Grenada
- 2017.10.23 10:29
It's really lucky to find such a professional and responsible manufacturer, the product quality is good and delivery is timely, very nice.
By Martha
from Somalia
- 2018.09.23 17:37





