Which punch configuration is used to mark parts for reassembly or to start a drilled hole?

The center punch is specifically designed to create a small dimple or indentation at a precise location on a workpiece. This indentation serves two primary purposes: it marks the part for reassembly and provides a starting point for drilling. By creating a small recess, the center punch helps prevent the drill bit from wandering during the drilling process, ensuring accurate hole placement. This tool is vital in applications where precision is critical, such as in metalworking or woodworking.

Other punch types, while useful, serve different functions. Flat punches are used for flattening metal surfaces or creating a smooth finish. Chisel punches are designed for cutting or shaping material, rather than marking for drilling. Lettering punches create impressions on surfaces usually for labeling or decorative purposes, rather than for facilitating drilling or precision assembly tasks.