8.8 Grade Steel Galvanized Mushroom Head Square Neck Carriage Bolt

8.8 Grade Steel Galvanized Mushroom Head Square Neck Carriage Bolt

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

We are an energetic company with wide market for 7 16 DIN Male Connector Free Sample, FIP Grounding Kits, Optical Fiber Cable Clamp. In addition to providing excellent products, we also provide customers with rich product knowledge and more professional technical solutions to help customers achieve higher achievements. In the spirit of 'integrity, dedication, and pragmatism', our company sincerely serves customers with advanced equipment and technology, excellent quality, perfect service, and reasonable prices. We warmly welcome people at home and abroad to sincerely cooperate with us! We also have a professional quality control team to meet the high quality requirements of customers. With the continuous growth of the company's business, we have established a professional technical team, sales and after-sales network by virtue of the strategic cooperation policy of 'advanced technology, excellent quality, integrity and win-win'.

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.

Our 8.8 Grade Steel Galvanized Mushroom Head Square Neck Carriage Bolt has excellent technology, standardized manufacturing process and high performance that is welcomed by customers. We have the advantages of abundant inventory, fast and timely transportation and perfect after-sales service. We have been wanting forwards to creating long-term company interactions with around the world shoppers.
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