Grade 8.8 DIN603 M3 M4 M8 Round Head Galvanized Plated Carriage Bolt

Grade 8.8 DIN603 M3 M4 M8 Round Head Galvanized Plated 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

Each of our products is designed and produced specially for consumers, and we are a Hoisting Grip, Gel Seal Closure, Dual Polarized Dish Antenna manufacturer with complete product line. We are recognized by the industry for our integrity, strength and product quality. So that you can meet your desires, please actually feel cost-free to contact us. Our company has a complete organization and strong technical force, has the ability to continuously develop and research new products of science and technology and has testing equipment and means and has a professional, high-quality design and production team. 80% of our products exported to many international markets.

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.

Whether our Grade 8.8 DIN603 M3 M4 M8 Round Head Galvanized Plated Carriage Bolt is standard design or customized according to customers' needs, it is known all over the world for its high performance, high reliability and innovation. The company has always regarded quality as the core life of an enterprise, and we stick to technology leadership and brand strategy, coupled with scientific management and advanced quality inspection methods. Therefore, all of our company's actions are centered on pragmatic and never boast.
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