Feature:1. Firmer Fixing: The self tapping screw has surfaces without burr, while the clear thread ensures firmer fixing.2. Reliable Work: Hex washer design promises higher bearing without slipping as well as higher accuracy and efficiency.3. Broad Utility: Suitable for fixing and connecting thin metal, wooden furniture, plastic, mechanical repair and so on.4. 50Pcs in Pack: There are 50pcs screw fastener in the set, and the large quantity will satisfy your varied work needs.5. Good Material: Using high quality stainless steel material with good strength, durable with corrosion and long using.Specification:Item Type: Self Tapping ScrewMaterial: Stainless SteelColour: SilverSpecifications: Approx. 4.8 x 13mm / 0.19 x 0.51inApplications: Can be widely used in household, industrial and office equipment. Suitable for fixing and connecting thin metals, wooden furniture, plastics, mechanical repairs, etc. Package List:50 x Self Tapping Screw