... and nuts screwMaterialsIron, aluminum, steel, copper, plastic, carbon steel, nylon, bronze, solder alloy, HSS, tool steels ... , or as per the customers’ requirements.DimensionsAccording to customer’s drawingSurface treatmentHeat treatment, Nickel, Zinc, Black Oxide, QPQ,electroplating, spraying, and ... painting and so on.PackingWooden box, or as per ...