4.8/8.8 Grade Carbon Steel Galvanized Round Head Square Neck Carriage Bolts B8m

4.8/8.8 Grade Carbon Steel Galvanized Round Head Square Neck Carriage Bolts B8m

These carriage bolts are suitable for fastening most machinery and equipment. They have a zinc or zinc yellow-chromate plating to resist corrosion in wet environments.

Product Details

The company is committed to the production and development of all types of medium and high-end Copper Products Free Sample, Cushion Hanger Assemblies Free Sample, Cable Entry System Free Sample. With forward-looking strategic thinking, diversified product series, strict quality control and excellent service concept, our company has established strategic partnerships with many well-known companies abroad. Establishing a corporate culture consistent with corporate vision and values ​​is the basis for promoting the sound development of corporate work. We insist on the business idea 'takes people as the basis and does business honestly' for production and management standardization in an attempt to realize the type of jump development.

These carriage bolts are suitable for fastening most machinery and equipment. They have a zinc or zinc yellow-chromate plating to resist corrosion in wet environments. A square neck keeps them from turning when tightening a nut. A smooth, rounded head provides a finished look.


1.Standard:DIN603, ASME B18.5

2.Size:M5-M20; 1/4"-1"

3.Length:10mm-500mm

4.Grade:4.8 8.8 10.9 

5.Mark:4.8 8.8 10.9 

6.Material:carbon steel or alloy steel

7.Finish:plain,black,zinc plated ,hdg ,dacroment,geomet and so on.

8.Delivery time:Normally in 30-40 days.

9.Package:Cartons&pallets or according to customer's requirement.

Since our establishment, we have always adhered to the policy of 'high technology, high quality and high service', and with professional and unique innovative ideas, we have grown rapidly in the industry of 4.8/8.8 Grade Carbon Steel Galvanized Round Head Square Neck Carriage Bolts B8m in China. If you need to have any of our merchandise, or have other items to be produced, make sure you send us your inquiries, samples or in depth drawings. We hope to cooperate with a lot more friends for mutual added benefits.
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