A crimp control apparatus includes a threaded connection between a dipper and a punch to adjust the distance between the die and the bottom of the cylinder. In one aspect, the apparatus includes a cylinder, a connector, and a cylinder mount bracket, the cylinder mount bracket bore having threads engagable to threads of the connector, and a lock in the cylinder mount bracket to restrict movement of the connector through the cylinder mount bracket bore. In another aspect, the apparatus includes a cylinder, a piston within the cylinder and having a piston shaft, a stud extending from the piston shaft and having threads, a punch holder having threads engagable to the threads of the stud, a lock to lock the position of the stud and the punch holder, and an adjustment device in the piston shaft.