300pcs 410 Stainless Steel Self Drilling Screws Hex Head Roofing Screws With EPDM Rubber Washer Waterproof Rust Resistant Metal Fasteners For Roof Sheet Steel Frame Solar Mounting

Product OverviewHex head roofing self-drilling screw with waterproof EPDM rubber washer. Equipped with drill bit tail, no pre-drilling needed. Completes drilling and fastening thin metal sheets in one operation. Galvanized coating improves rust resistance. Ideal for outdoor color steel tile, metal siding, light steel frame and solar mounting installation. 410 stainless steel self-tapping TEX screws are a common screw classification, suitable for metal materials, with self-tapping and self-drilling designs. This screw adopts #12 specification and has a hex head for easy installation and removal.Screws with sizes of 5.545mm, 5.555mm and 5.*65mm are suitable for metal materials of different thicknesses. They are made of 410 stainless steel, which is corrosion-resistant and can be used for a long time in outdoor environments without rusting easily.These 410 stainless steel self-tapping TEX screws can cut and penetrate metal materials directly without drilling holes first. They are widely used in construction, furniture, automobiles and other fields, providing a reliable connection method when fixing metal componentsKey Features✅ Self-drilling & self-tapping design, no pre-drilling, higher work efficiency ✅ Hex head, easy tightening using socket wrench, anti-slip during installation ✅ Built-in EPDM rubber washer, excellent waterproof sealing, prevent roof leakage ✅ Galvanized surface, good anti-corrosion for outdoor environment ✅ Multiple sizes: 5.5×45mm / 5.5×55mm / 5.5×65mm to meet different installation thickness