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 hex head bolt. Treated with a Dacromet coating, offering no risk of hydrogen embrittlement. Extremely high corrosion resistance, high temperature resistance, and salt spray resistance. Environmentally friendly and pollution-free. Widely used in high-standard anti-corrosion applications such as automotive, rail transit, high-end machinery, and outdoor infrastructure.