Buy Carriage Bolts 

Carriage Bolts are a robust and durable fastener solution, featuring a domed head, which can help prevent loosening from one side. Carriage Bolts also feature a square section underneath their head, which makes them self-locking when used within a square hole. These components are manufactured with a minimum thread length, Full Thread Carriage Bolts are also available.

Bolt Materials

In addition to A2 Stainless Steel, Carriage Bolts are available in A4, also called Marine Grade Stainless Steel. Additional features such as Chemical Blackening and Thread Locking Patches are also available for Accu's Stainless Steel Carriage Bolt range. For alternative material types of bolts in this range, please contact our team.

Metric Bolts

Metric Carriage Bolts are manufactured according to DIN 603. Diameters of between M5 and M16 are available as standard, with lengths of between 25mm and 300mm also available. Head Diameter sizes range from 12.45mm to 37.2mm.

Imperial Bolts

Accu's range of Imperial Carriage Bolts conform to ANSI standard B18.5. Diameters range from ¼ inch up to ¾ inch, and lengths from 4.1/2 inch up to 18 inch. Imperial Bolt Head Diameters start from 0.594 inches and go up to 1.594 inches.

Coach Bolts vs Carriage Bolts

To learn more on the distinctions between these two popular types of bolt, please take a look at our article discussing the differences in these fasteners.