Features:Made of high quality stainless steel, high strength and hardness, 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.Widely used in power, electronics, electrical appliances, machinery, chemical, metallurgy, mold, hydraulic and other industries.Specification:Material: Stainless steelQuantity: 400pcsThread specification: M2.2Application: electronic industry fastenersPackage List:50 x M2.2 * 6mm Self Tapping Screws50 x M2.2 * 8mm Self Tapping Screws50 x M2.2 * 10mm Self Tapping Screws50 x M2.2 * 12mm Self Tapping Screws50 x M2.2 * 14mm Self Tapping Screws50 x M2.2 * 16mm Self Tapping Screws50 x M2.2 * 18mm Self Tapping Screws50 x M2.2 * 20mm Self Tapping Screws