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 button head socket cap screw. Made from low-carbon steel or stainless steel substrate, treated with an environmentally friendly Dacromet process. Corrosion-resistant, high-temperature resistant, and high-strength. The coating has strong adhesion and is not prone to peeling. Suitable for fastening requirements in harsh environments of high-end industrial applications such as automotive, aerospace, and wind power engineering.