Features:Made of 304 stainless steel material, high strength and corrosion resistance, durable in use.Precision 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 steelQuantity: 340pcsThread specification: M3Application scope: electronic industry fastenersPackage List:20 x M3 * 5 Cross Flat Head Screws20 x M3 * 6 Cross Flat Head Screws20 x M3 * 8 Cross Flat Head Screws20 x M3 * 10 Cross Flat Head Screws20 x M3 * 12 Cross Flat Head Screws20 x M3 * 14 Cross Flat Head Screws20 x M3 * 16 Cross Flat Head Screws20 x M3 * 18 Cross Flat Head Screws20 x M3 * 20 Cross Flat Head Screws160 x M3Nut.