We now have a specialist, efficiency workforce to deliver excellent service for our purchaser. We always follow the tenet of customer-oriented, details-focused for 100% Original Factory ASTM A325 High Structural Hex Head Bolts and Nuts Galvanized Bolt and Nut for Steel Structure, Top quality, timely company and Aggressive cost, all win us a superior fame in xxx field despite the international intense competition.
We now have a specialist, efficiency workforce to deliver excellent service for our purchaser. We always follow the tenet of customer-oriented, details-focused for China Steel Bolt and Nut and Bolt, With a state-of-the-art thorough marketing feedback system and 300 skilled workers’ hard work, our company has developed all kinds of solutions ranging from high class, medium class to low class. This whole selection of fine items offers our customers different choices. Besides, our company sticks to high quality and reasonable price, and we also offer you good OEM services to many famous brands.

● Place of origin: Ningbo, China

● Min quantity request: 450kgs per size

● Brand Name: ZYL

● Standard : ASTM A325, ASTM A325M

● Grade: Gr5

● Material: #45,40Cr

● Dia: 1/2”-1 1/2”, 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.

We now have a specialist, efficiency workforce to deliver excellent service for our purchaser. We always follow the tenet of customer-oriented, details-focused for 100% Original Factory ASTM A325 High Structural Hex Head Bolts and Nuts Galvanized Bolt and Nut for Steel Structure, Top quality, timely company and Aggressive cost, all win us a superior fame in xxx field despite the international intense competition.
100% Original Factory China Steel Bolt and Nut and Bolt, With a state-of-the-art thorough marketing feedback system and 300 skilled workers’ hard work, our company has developed all kinds of solutions ranging from high class, medium class to low class. This whole selection of fine items offers our customers different choices. Besides, our company sticks to high quality and reasonable price, and we also offer you good OEM services to many famous brands.