Tightening & Press-Fit Systems (DC hand tools & spindles) DC Electric Press-Fit Systems Rexroth's press-fit systems are a force/travel-controlled electric system. These systems are always used where force and/or travel should be accurately attained and documented. Its operative range extends from the automotive industry and its suppliers up to the electrical industry. The press-fit processes are freely programmable so that even difficult press-fit processes can be mastered.