M3 Black Hex Socket Cap Head Screw Set

Feature: \n 1. Made of 12.9 grade alloy carbon steel, which provides strength and is commonly used when requiring higher mechanical properties\n2. Ideal for use in confined areas where you need hex socket cap head screws\n3. Fixing component, industrial and construction fasteners\n4. 17 common sizes and different quantities that you can choose for general purpose use\n5. Used widely in the home and office appliance, communication equipments, ship assembly and other machinery industry \n\nSpecification: \n\nDescription: \n\nThese\n screws and nuts are made of 12.9 grade alloy carbon steel, which provides strength and is commonly used when requiring higher mechanical properties. There are many length for your choice which can \nbe commonly used in home and office appliance, machinery, furniture, repair and inventions. \n\nFeatures: \n\n--\n\nMade of 12.9 grade alloy carbon steel, which provides strength and is commonly used when requiring higher mechanical properties. \n\n--\n\nI: