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Carriage bolt length is measured from under the head to the end of the bolt including the square neck.
This carriage bolt features a smooth, rounded head with no external drive for appearance, safety, and security. The square shank under the head pulls into the material as nuts are tightened and prevent the bolt from turning once completely installed. Common applications for this bolt include deck building, fence construction, and outdoor furniture. They are generally pushed into a pre-drilled hole and then tightened in place with hex nuts and flat or lock washers. Available in various materials and finishes.
Standard: DIN 603, ASME/ANSI
Material: Carbon steel, Stainless steel 304, 316
Grade: Class 4.8, 5.8, 8.8, 10.9, 12.9
Coating: Zinc White/ Yellow, Zinc flake(DACROMET), Hot Galvanizing
Important Note: Due to the plating thickness, only hot dipped galvanized nuts should be used on hot-dipped galvanized carriage bolts.
Salt Spray Test available.
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