Job Descriptions and Job Titles for:
"JEWEL-BEARING BROACHER"
DOT:
770.682-010
Operates lathe to finish holes drilled in partially processed jewel bearings: Inserts bearings in lathe chuck. Dips brass wire (broach) in diamond dust, inserts it into bearing hole, and rubs away high spots, working within tolerances of 0.0001 inch. Inspects holes with magnifying glass and measures them with gauges and micrometers. Bevels edges of holes.
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