Coach Bolts and Coach Screws Information

Coach bolt (Carriage bolts)

A carriage bolt or coach bolt is mostly used in wood, with a domed top and a square under the head designed to pull into the wood as the nut is tightened.  A carriage bolt can also be used in drilled concrete fence and gate posts to fasten wooden post and panels. Zinc plated steel for moderate protection against rust.  Stainless steel A2 with high corrosion resistance. Stainless has become the material of choice for exterior and most marine applications.

Coach Screw

Coach screws are for fastening in wood. Available in Steel, Zinc Plated steel and Stainless steel.
Available with hexagon and square drive head.  Used in decorative work and heavy applications.  Stainless steel A2 is an alloy of steel with high corrosion resistance.  Stainless has become the material of choice for exterior and most marine applications.  Steel is zinc plated for moderate protection against rust.