300X M3 BLACK 10.9 Grade Button H0ad H0x Socket Screw Bolt Nut... This is a set of M3 button head screws and nuts with 10.9-grade high strength. Great for use in confined areas as fixing components, and industrial and construction fasteners. There are many different lengths of screws that you can use for various purposes M3 Screws Assortment 300pcs M3 Black 10.9 Grade Button Head Hex Socket Screw Nut M3 Button Head Screw Assortment [Multiple Applications] Ideal for home and office appliances, communication equipment, and ship assembly, providing a fixing solution. There are many different length of screws that you can use for various purposes. Total 300 pieces of screws and nuts for general purpose use will meet your daily basic needs. Features: This is a set of M3 button head screws and nuts with 10., 9 grade high strength. [Multiple Applications] Ideal for home and office appliances, communication equipment, and ship assembly, providing a reliable fixing solution. uxcell M3x32mm 10.9 Alloy Steel Button Head Hex Socket Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry. [Versatile Use] Great for confined spaces, industrial and construction fastening, with various screw lengths for different applications.