A professional who tends machine that cuts metal fasteners from corrugated metal stripping and drives fasteners into boards across joints to fasten boards together. Responsibilities include:

• Positions spool of corrugated metal stripping onto machine spindles and threads end of stripping between clamps of automatic feed driver-head.
• Positions and tightens machine driver-head above workpiece joint, using wrench.
• Starts machine, positions workpiece against machine table stop, and depresses pedal to activate machine driver-head and force fastener into workpiece.
• May be designated according to parts fastened as box-top-stitching-machine operator; machine door-frame assembler.