Original poster: "Ralph Zekelman" <gridleak-at-bluemarble-dot-net> See McMaster-Carr www.mcmaster-dot-com Ralph Original poster: "Eastern Voltage Research Corporation" <dhmccauley-at-easternvoltageresearch-dot-com> Anyone have a source for copper hardware (in particular i'm looking for 1/4-20 thread machine screws) Thanks Dan