This can require a substantial amount of work, so make sure you choose the best approach to the problem. There are four main types of head/haft interface: Blind- or open-socketed, e.g. slashers, Yorkshire bill- hooks, some spades. Strapped, e.g. some pitchforks and spades. Solid head with tapered socket, e.g. axes and some sledgehammers Solid head...