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 button head socket cap screw. Carbon steel substrate combined with blue-white zinc electroplating. Clean and attractive appearance with good oxidation resistance. Complies with GB 70.1 standard. Full range of sizes available. Suitable for conventional fastening applications such as electronic equipment, furniture assembly, and light machinery.