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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
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.
We can assure you product quality and competitive price for Carbon Steel Grade 4.8 8.8 Black Galvanized Flat Head Square Neck DIN 603 DIN 608 Carriage Bolt. We offer an amazing selection of high-quality products. We have always provided customers with quality products and services with a grateful heart and a strong sense of responsibility.