my stepper motors have 22 gauge wire and when I was testing them in my panucatt gradus m1 pro they worked and fit fine. however when I soldered the 18 awg/4c shielded wire to the steppers I found that the 18awg wire does not fit into the connectors on the gradus board. Is there some sort of an adapter / connector to accomplish this? after some research I did not find anything on google specifically but was thinking that one of these might work idea 1 idea 2 idea 3 - solder the wires to the end of a 4 wide pin header and plug the pin header directly into the screw terminal.