China wholesale high strength Gr12.9 hex bolt Supplier – Heavy Hexagon-head bolts ASTM A325 – Zhongli bolts

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China wholesale high strength Gr12.9 hex bolt Supplier – 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.

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We consistently carry out our spirit of ''Innovation bringing development, Highly-quality ensuring subsistence, Management promoting benefit, Credit attracting customers for China wholesale high strength Gr12.9 hex bolt Supplier – Heavy Hexagon-head bolts ASTM A325 – Zhongli bolts, The product will supply to all over the world, such as: Mali , Lahore , Madagascar , The products has a good reputation with competitive price, unique creation, leading the industry trends. The company insists on the principle of win-win idea, has establishedglobal sales network and after-sales service network.

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