GOOD PERFORMANCE: The stainless steel self tapping screws adopt precision thread design, which can provide strong joining force to achieve maximum tightening. TRANSPARENT STORAGE BOX: The self tapping screws assortment kit is equipped with a transparent storage box for quick access and protection. DURABLE MATERIAL: The self tapping screws are made of high-quality stainless steel, with high strength and hardness, and are durable. WIDE APPLICATION RANGE: The high strength self tapping screws are widely used in electric power, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulics and other industries. HIGH COST PERFORMANCE: The self tapping screws set contains various specifications of self tapping screws, which can meet your different needs and is very practical.