... , etching, honing, micro machining, gearmanufacturing, screw machining, thread grinding, and thread rolling2) Materials handled: carbon steel, alloy steel, stainless steel ... : grinding, painting, powder coating, polishing and plating,anodizing, phosphating, blackodizing, surface hardening through and inductionhardening, annealing, tempering, nitriding, carburizing, assembly, and welding. 5) Equipment ...