Carriage & coach bolts

Carriage and coach bolts are commonly used in timber connections, fencing, and fastening metal to wood. Their domed heads and square necks help prevent rotation during installation. These bolts are suited for structural and finishing applications where a smooth surface is required on one side of the material. Builders use them to secure wooden frames, timber joints, and in cladding or decking where flush finishes are preferred.

This category includes a wide selection of sizes and thread types, with popular options such as M8, M10, and M12 dimensions. Products range from galvanised steel carriage bolts for outdoor durability to zinc-plated bolts suited to indoor or dry environments. Carriage and coach bolts differ from hex bolts or screws by offering integrated locking without needing a washer under the head. You’ll also find bolts with varying shank lengths to suit different timber thicknesses or combined timber-steel applications.

Check Buildbuddy for the best deals on carriage and coach bolts.