45 PCS #14 x 3-1/2" Hex Washer Head Self Drilling Screw, 410 Stainless Steel Fast Self Tapping Screws, Flanged Sheet Metal Screws

Thread Diameter: #14; Length: 3-1/2"; Head Height: 0.224" (5.7mm); Flange Diameter: 0.508" (12.9mm); Package: 45 PCS Screws with a Hex Bit Socket are arranged in a plastic storage container. Material: Made of high quality 410 Stainless Steel, which has high corrosion resistance and anti-rust effect, not easy to damage, more solid. Feature: The self-drilling screws can be directly screwed into the product without pre-drilling, not easy to deform and slide when use, high strength, long service life. Fine Workmanship: Using high precision cutting technology, the threads are very precise and clear, which can easily penetrate wood and plastic, ensuring a firm fixing. Multipurpose: Widely used in construction, manufacturing, engineering, assembly, etc, ideal for use in wood, metal or other tough materials.