Includes incidental foundry operations.

Code 3146 applies to employers engaged in manufacturing various hardware items such as door knobs, handbag frames, cabinet handles, hinges and pulls and other similar hardware items that are made from metal bars, rods or castings received from others.  The items may be machined and/or stamped and assembled by hand to produce a finished product.  Part of the production process includes plating, polishing and buffing to various degrees of sheen.  Antiquing is considered a plating finish.   

Some of the machinery used are power presses, drill presses, double action draw presses, turret lathes, dies sanders, surface grinders, rivet machines, manual screw machines, power shears, laser welders, cut off saws, table saws, electroplaters and crucibles.