China wholesale DIN931 Hex Bolts Suppliers – 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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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" plus the theory of "quality the basic, have faith in the main and management the advanced" for China wholesale DIN931 Hex Bolts Suppliers – Heavy Hexagon-head bolts ASTM A325 – Zhongli bolts, The product will supply to all over the world, such as: San Diego , Russia , Mauritania , We aim to become the modern enterprise with the commercial ideal of "Sincerity and confidence" and with the aim of "Offering customers the most sincere services and best quality products". We sincerely ask for your unchanged support and appreciate your kind advice and guidance.
By Stephen
from Lithuania
- 2018.12.10 19:03
In China, we have many partners, this company is the most satisfying to us, reliable quality and good credit, it is worth appreciation.
By Denise
from Algeria
- 2018.09.29 13:24
