A drawbar is a vital part of a workholding system, responsible for securely gripping the tool in place. It acts like a clamp, using force to hold the toolholder or workpiece tightly within the chuck. This is especially important during machining when the tool experiences strong cutting forces. By counteracting these forces, the drawbar ensures the tool stays in place, maintaining precision and safety. Drawbars typically use springs for clamping force, though hydraulic systems are used in some heavy-duty applications.