Zero Profile Press-Fit Receptacles Mill-Max Zero Profile Press-Fit Receptacles deliver flush mount solutions for achieving the lowest profile connections possible. These Mill-Max receptacles accept a broad range of mating lead diameters to suit a variety of interconnect requirements, all while maintaining a zero above board profile. Zero Profile Press-Fit Receptacles require no soldering and enable a broad range of devices to be plugged in while minimizing overall interconnect height.