Features: Made of 304 stainless steel material high strength and corrosion resistance durable in use. thread design offers strong engagement for maximum fastening. Various specifications in one set to meet your various needs. Equipped with a transparent storage case for quick access and protection. Commonly used in electrical equipment electronic machinery mechanical equipment household appliances digital products water conservancy projects decoration and construction and so on. Specification: Material: Stainless steel Quantity: 340pcs Thread specification: M3 Application scope: electronic industry fasteners Package List: 20 x M3 * 5 Flat Head Screws 20 x M3 * 6 Flat Head Screws 20 x M3 * 8 Flat Head Screws 20 x M3 * 10 Flat Head Screws 20 x M3 * 12 Flat Head Screws 20 x M3 * 14 Flat Head Screws 20 x M3 * 16 Flat Head Screws 20 x M3 * 18 Flat Head Screws 20 x M3 * 20 Flat Head Screws 160 x M3 Hex Screws