... : zinc-plated 3. tolerance:0.05mm-0.2mm turning parts used for dustbin1. material: stainless steel2. ISO certificate3. tolerance:0. ... ) Material: Steel, Brass, Copper, Stainless steel, Plastic, Aluminium, POM, Delrin, Titanium Alloy etc.2) Surface treatment:Zinc plating, Anodization, Chemical fim ... good quality, competitive price and excellent service. FactoryProducts turning parts used for dustbin