No.746 /747 OEM AAA Battery Contact with Spring Name AAA/AA Battery Contact Material Stainless steel, carbon steel, tinplate, nickel silver, phosphor copper, beryllium bronze, Zinc alloy, aluminium and other material as requested Tolerance 0.01mm Use to All kinds of cars, machinery, home appliance, electronic products, electric appliance, stationery, computers, power switches, miniature switches, architecture, commodity and A/V equipment, hardware and plastic molds, sports equipment and gifts, and more Surface treatment kinds of plating (Zinc, Nickel, Chrome, Tin, Ag); Painting, Powder, Anodizing, E-coating, Silkscreen, Heat treatment, Black oxid. Technic stamping, deep stamping, bending, punching, threading,welding, tapping, riveting Machining equipment CNC milling&turning machine, stamping machine ,milling machine, grinder machine ,drilling machine, and optical comparator etc; File Format Solidworks,Pro/Engineer,Auto CAD,PDF,JPG Package Plastic bag ,Blister box, paper package and carton Inspection IQC, IPQC,FQC,QA Delivery 7 -- 12 days Service Warm and quick response service provided by the professional Export Sales Team with many years' experience in handling exports to the US, Europe, America and other countries and regions. Get in touch with us Your trial order will be welcomed , don’t worry about the quality and price, we have rich experience years for doing this parts, we will give you the competitive price with high quality