About This

🔩 SUNKIN Bi-Metal Masonry Screws – Built to Last – Crafted from 304 stainless steel and hardened steel, these self-tapping masonry screws deliver 10+ years of rust-free performance, making them perfect for high-humidity and outdoor applications.
🔩 Hi-Lo Thread Design for Maximum Holding Power – Featuring a unique Hi-Lo thread pattern, these screws enhance grip and holding strength in masonry materials like concrete, brick, and stone, ensuring a secure and long-lasting connection.
🔩 Self-Tapping Hex Head – No Cam-Out & Maximum Torque – The hex head design allows for efficient torque transfer, preventing slippage and eliminating the risk of cam-out, making installation fast, smooth, and frustration-free.
🔩 Hardened Tip for Easy Drilling in Masonry – Equipped with hardened lead threads, SUNKIN masonry screws cut directly into tough surfaces, eliminating the need for anchors and providing a powerful hold with minimal effort.
🔩 Corrosion-Resistant for 10+ Years – Unlike traditional carbon steel self-tapping screws that rust after just 3 years, SUNKIN bi-metal screws remain corrosion-free for a decade, reducing replacement costs and improving durability.