China wholesale Yellow zinc plated hex bolts Manufacturers – Heavy Hexagon-head bolts ASTM A325 – Zhongli bolts Detail:
● Place of origin: Ningbo, China
● Min quantity request: 450kgs per size
● Brand Name: ZYL
● Material: #45,40Cr
● Dia: M12-M36
● Surface treatment: Black oxide,HDG
The definition is different, and the size of English thread is marked in English; The standard system of American thread is American thread. 2. The tooth profile angle is different, and the tooth profile angle of English thread is 55 degrees; While the angle of American thread is 60 degrees. 3. The pipe thread code is different, and the American thread is the standard 60-degree taper pipe thread; The American thread is a 55-degree sealed conical pipe thread.
Middle carbon 35K,45K, or alloy steel 40Cr
Black oxide, Hot dip gavalized
Type 1, G5
1. Are you a hexagon head bolt ASTM A325 manufacturer?
Yes, we are a ASTM A325 bolt factory loaded in Ningbo
2. Can we use our own head mark or customize package for hexagon head bolt ASTM A325?
Yes, as a hex bolt manufacturer, we can customize the header and packaging. Please send a request when ordering.
3. How can we make an order for hexagon head bolt ASTM A325?
Just inquiry on our page or send an email or wechat 008615257861940
4. Do you have after-sales service?
Certainly, you can contact us at any time.
5. How about your price?
It depends on detailed quantity and sizes, but we are sure it won’t be higher than other factory with the same quality.
Product detail pictures:
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We are proud of the superior customer gratification and wide acceptance due to our persistent pursuit of top of the range both of those on merchandise and service for China wholesale Yellow zinc plated hex bolts Manufacturers – Heavy Hexagon-head bolts ASTM A325 – Zhongli bolts, The product will supply to all over the world, such as: Accra , Mumbai , Iraq , We strive for excellence, constant improvement and innovation, is committed to make us the "customer trust" and the "first choice of engineering machinery accessories brand" suppliers. Choose us, sharing a win-win situation!
By Antonio
from Ireland
- 2017.06.16 18:23
The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!
By Queena
from Czech Republic
- 2017.10.13 10:47
