A professional who tends single- or multiple-spindle drill presses that drill, tap, ream, or countersink holes in metal workpieces according to specifications. Respnsibilities include:

• Lifts workpiece manually, or using hoist, and positions and secures workpiece in drilling jig or fixture on machine table, using clamps and wrenches.
• Starts machine and feeds workpiece to cutter or vice versa, or engages automatic feeding mechanism.
• Turns valve to direct flow of coolant and cutting oils over cutting area.
• Observes operation and releases lever or turns handwheel to raise cutting tool from workpiece when machining is completed.
• Inspects or measures machined workpiece for conformance to specifications and shop standards, using instruments, such as fixed, plug, depth, and thread gauges, calipers, micrometers, and templates.
• Changes worn cutting tools, using wrenches.
• May machine plastics or other nonmetallic materials.