420 Pc Self Drilling Screw Assortment Set #8 #10 Hex/Phillips Head 1/2 to 2 Inch .This stainless screw assortment includes 420 screws in 18 carefully planned sizes, covering common #8 and #10 specifications with both Phillips washer and hex head types. Extra quantities are provided for frequently used sizes. Whether for bulk use in large projects or occasional repairs, it ensures reliable supply without material shortages.Our sheet metal screws are made from high-quality 410 stainless steel, offering excellent rust resistance, wear resistance, and hardness. They easily penetrate stainless steel plates and maintain stable performance even in tough environments—built to last.These stainless steel screws easily drill into aluminum, wood, PC panels, and angle brackets. Ideal for furniture repair, construction, and appliance maintenance, they handle a variety of materials efficiently—making every job more flexible and productive.Designed with deep threads and even spacing, these self tapping screws provide steady force during drilling. After installation, the threads grip tightly and resist loosening, even under vibration or heavy pressure, ensuring long-lasting stability.