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Carriage Bolts

Carriage bolts have a round smooth head with no drive and a square shank immediately underneath the rounded head that sinks into the material being fastened to secure the bolt from turning after installation with nuts and sometimes washers.  Carriage bolts are coarse thread (UNC) bolts used for safety and security, are sometimes referred to as carriage screws, and are available in zinc plated, stainless steel, and galvanized.

Carriage Bolts

Choose between galvanized, stainless steel, or zinc plated carriage bolts below:




Displaying products 1 - 3 of 3 results
Carriage Bolts, Galvanized, Coarse Thread
Price: Starting at $0.16
Carriage Bolts, Galvanized, Coarse Thread
Galvanized Carriage Bolts coarse thread have a round smooth head and square neck under the head and are available in 1/4-20 thru 3/4-10 diameters and 1" thru 12" lengths.
Carriage Bolts, Stainless Steel, Coarse Thread
Price: Starting at $0.33
Carriage Bolts, Stainless Steel, Coarse Thread
Stainless Steel Carriage Bolts coarse thread have a round smooth head and square neck under the head and are available in 1/4-20 thru 1/2-13 diameters and 1/2" thru 6" lengths.
Carriage Bolts, Zinc Plated, Coarse Thread
Price: Starting at $0.13
Carriage Bolts, Zinc Plated, Coarse Thread
Carriage Bolts Zinc Plated Coarse Thread have a round smooth head and square neck under the head and are available in 10/24 thru 3/4-10 diameters and 1/2" thru 16" lengths.