<P> A carriage bolt , coach bolt or round head square neck bolt is a form of bolt used to fasten metal to wood . </P>
<P> A carriage bolt , coach bolt or round head square neck bolt is a form of bolt used to fasten metal to wood . </P>
what is the purpose of a carriage bolt
what is the purpose of a carriage bolt
to fasten metal to wood
to fasten metal to wood