4.8/5.8/6.8/8.8/10.9/12.9 Grade Carbon Steel Hot DIP Galvanized HDG Square Neck Carriage Bolt

4.8/5.8/6.8/8.8/10.9/12.9 Grade Carbon Steel Hot DIP Galvanized HDG 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 have been commitment to supply the competitive price, excellent products and solutions high-quality, at the same time as fast delivery for N Male Connector, Standard Standoff, American Type Hose Clamp. Our company has always adhered to the direction of 'quality first, reputation guarantee'. We will provide our customers star-rated services with first-class talent team, advanced equipment, professional management level, and innovative service forms. Our company takes "details achieve quality, service creates brand" as the operating principle.

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 company has been selling 4.8/5.8/6.8/8.8/10.9/12.9 Grade Carbon Steel Hot DIP Galvanized HDG Square Neck Carriage Bolt for many years and has a team with rich management experience. We are able to develop new products continuously to a higher level to satisfy different needs of customers. We rely on scientific business management and strong capital operation capabilities to continuously develop in market competition.
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