Drift Punch: a drift punch is used to align bolt or rivet holes before inserting a fastener. A drift punch is constructed as a tapered rod, with the hammer acting on the large end of the taper. Center Punch: A center punch is used to mark the center of a point. It is usually used to mark the center of a hole when drilling. A center punch forms a large enough dimple to guide the tip of the drill. Pin Punch: A pin punch is used to remove metal pins from a hole.