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 blue-white zinc plated hex socket head cap screw. The surface is electroplated with zinc and then blue-white passivated, resulting in a bright, clean appearance with a refreshing finish. Excellent rust resistance and outstanding cost-effectiveness. The hex socket design is suitable for confined installation spaces. Widely used for fastening in indoor conventional environments such as electronics and electrical appliances, furniture hardware, and small mechanical equipment.