Toolmakers and Related Workers

preparing templates and sketches, and determining work processes

visualizing and computing dimensions, sizes, shapes and tolerances of assemblies, based on specifications

positioning, securing and measuring metal stock or castings to lay out for machining

setting up, operating and maintaining conventional and computer numerically controlled machine tools to cut, turn, mill, plane, drill, bore, grind or otherwise shape work pieces to prescribed dimensions and finish

fitting and assembling parts to make and repair jigs, fixtures and gauges

repairing and modifying sports guns and other small arms

making, fitting, assembling, repairing and installing lock parts and locks

making and repairing metal patterns for preparation of foundry moulds

laying out lines and reference points on metal stock to guide other workers who cut, turn, mill, grind or otherwise shape metal

verifying dimensions, alignments and clearances of finished parts for conformity with specifications, using precision measuring instruments and testing completed items for proper operation.