SUNKIN 46PCs Self Tapping Screws for Metal, Hex Head #12 x 2-1/2 Inch, Self Drilling for Thick Steel, Less Effort Installation, Long Lasting Anti Rust Coating — Open-Box, 8% Off

FAST SELF DRILLING – Save Time & Effort Spiral drilling point reduces friction by up to 30%, allowing faster, smoother self drilling with less pressure. Ideal for high-volume fastening and demanding job sites.

HEAVY DUTY – Drills Up to 1/2" Steel Designed as self drilling Tek screws for metal, these screws penetrate up to 1/2 inch mild steel or aluminum with ease. Perfect for construction, industrial, and professional DIY projects.

CERAMIC COATED – EXTREME CORROSION RESISTANCE Advanced silver ceramic coating outperforms standard zinc plating, passing 1,000-hour salt spray and 15-cycle Kesternich tests for long-lasting performance in harsh environments.

HEX HEAD – HIGH TORQUE, NO CAM-OUT 5/16" A/F hex washer head delivers maximum torque and secure clamping force, reducing stripping and slippage when fastening thick metal or hardwood.

VERSATILE APPLICATIONS – METAL & WOOD Ideal for metal-to-metal and wood-to-steel fastening, including metal framing, roofing, solar panel mounting, workshops, and home improvement projects.

SUNKIN #12 x 2-1/2" Self-Drilling Screws for Metal – Hex Head, Heavy-Duty Tek Screws with 1/2" Drilling Capacity & Silver Ceramic Coating for Corrosion Resistance Upgrade your fastening experience with SUNKIN #12 x 2-1/2" Self-Drilling Screws, designed for maximum efficiency, durability, and performance. Whether you're working on construction, metal framing, roofing, or DIY projects, these high-quality Tek screws deliver strong, reliable, and corrosion-resistant fastening for metal-to-metal and wood-to-steel applications. 💪 Labor-Saving Design for Effortless Drilling Our self-drilling screws are engineered with a spiral drilling point that reduces friction by 30%, making drilling smoother and faster while requiring less effort. This innovative design outperforms regular self-drilling screws, saving time and labor on every project. 🔩 Heavy-Duty Drilling Capacity – Up to 1/2" Mild Steel Built for industrial-strength performance, these screws drill through up to 1/2 inch of mild steel beams or aluminum, making them ideal for thick metals, structural applications, and heavy-duty fastening. 🛡️ Advanced Silver Ceramic Coating – Corrosion Resistance Like No Other Unlike standard zinc-plated screws, SUNKIN self-drilling screws feature a silver ceramic coating that has passed a 1,000-hour salt spray test and 15-cycle Kersternich test. This coating not only provides exceptional corrosion resistance but also acts as a semi-lubricant, reducing heat buildup during drilling for enhanced efficiency and longevity. 🔩 Hex Washer Head – No Cam-Out & Maximum Grip Equipped with a 5/16" A/F hex head, these screws provide excellent torque transfer, ensuring secure, vibration-resistant fastening without the risk of cam-out or stripping. The larger surface-bearing area enhances clamping force for maximum hold. 🛠️ Versatile Applications for Construction & DIY Projects Perfect for metal-to-metal and wood-to-steel fastening, these screws are the go-to solution for contractors, engineers, and DIY enthusiasts. Use them for: ✔ Metal framing & steel structures ✔ Roofing & solar panel installations ✔ Heavy-duty industrial projects ✔ DIY home improvement & repair work Why Choose SUNKIN Self-Drilling Screws? ✔ 30% Friction Reduction for Labor-Saving Drilling – Drill faster & smoother with less effort. ✔ Drills Up to 1/2" Mild Steel or Aluminum – Heavy-duty performance for thick metal applications. ✔ Silver Ceramic Coating – Corrosion-Resistant & Heat-Dissipating – Outlasts standard zinc plating. ✔ Hex Washer Head for Maximum Torque & No Cam-Out – Ensures superior grip & prevents stripping. ✔ No Pre-Drilling Required – Saves time & effort on construction & DIY projects. Achieve superior fastening results with SUNKIN #12 x 2-1/2" Self-Drilling Screws—designed for strength, efficiency, and durability in every project. Order now and take your metal fastening to the next level! 🚀