A jackscrew assembly for a circuit board connector includes a jackset drive cap including drive cap threads and a jackset body. The jackset body includes first jackset body threads configured to mate with the drive cap threads and second jackset body threads configured to mate with a separate fixed connector fastener. The jackset drive cap and the jackset body are configured to retain a connector body therebetween in an assembled state while allowing the jackscrew assembly to rotate relative to the connector body.