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 Dacromet coated flat head socket cap screw. The surface is treated with Dacromet, resulting in a matte silver-gray finish. Environmentally friendly with no risk of hydrogen embrittlement. Excellent high temperature resistance and salt spray resistance. Corrosion resistance far exceeds that of ordinary coatings. Suitable for automotive chassis, rail transit, high-end equipment, marine environments, and various engineering applications with high anti-corrosion requirements.