Carriage Bolt is a rounded-head fastener with a square neck designed to prevent rotation during installation.
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Carriage Bolts
Size: 3/16 to 2 Inch
Material: A307/ A563/ B7/ SS304/ SS316/ SAE1005
Finish: Plain/HDG/ Zinc/ Black Oxide/ Mechanical Galvanized/ Stainless Steel Natural
Standard: ASTM/ DIN/ ISO/ ASME
Carriage Bolt is a reliable fastening component featuring a smooth rounded head and square neck that helps prevent rotation during assembly. Its design provides a neat finished appearance while allowing the nut to be tightened from the opposite side. For marine hardware applications, stainless steel—particularly 316 stainless steel—can be selected for improved resistance to moisture and salt-water exposure. Carriage bolts are suitable for docks, piers, marine decking, timber structures, pontoons and various coastal construction applications.
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