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DOT Code: 601.280-034

Industry: clock & watch

Sets up and operates machines, such as watchmaker's lathe, bench miller, and tap grinder to make taps and dies used in manufacture of watch screws and taps: Makes master taps following blueprints and working to pitch (thread) tolerance of 0.00002 inch and outside diameter tolerance of 0.0001 inch. Threads master dies, using master taps. Makes working taps and dies from master taps and dies, using variety of semiautomatic machine tools. Laps, mills, spots, etches, drills, and taps die blanks, using variety of abrasives, bench machines, and precision gauges. Anneals and hardens dies, utilizing knowledge of heat-treating operations.

GOE: 05.05.07 STRENGTH: L GED: R4 M3 L3 SVP: 8 DLU: 77