Material: Carbon steel
Strength grades: 4.8, 8.8, 10.9, 12.9
Surface finishes: Plain / natural, blue-white zinc plated, yellow zinc plated, hot-dip galvanized, tempered blackened, Dacromet
High-strength hot-dip galvanized flat head socket cap screw. Manufactured using the hot-dip galvanizing process, with a thick, uniform coating and a heavy silver-white appearance with a slightly textured feel. The core advantage is extremely strong rust resistance and outstanding weather resistance, capable of withstanding long-term exposure to outdoor environments. Suitable for outdoor steel structures, power transmission towers, bridges, solar panel brackets, and other long-term outdoor projects.