Material: Carbon Steel
Blue-White Zinc Plated Carbon Steel Hex Head Self-Drilling Screw** – Made of high-quality low-carbon steel with a blue-white zinc passivated surface. The coating is even and bright, providing basic rust resistance. Through heat treatment, it offers sufficient hardness and moderate toughness, resisting breakage and stripping. High cost-performance ratio. Suitable for indoor dry environments, home appliance assembly, general sheet metal, light construction fastening, and other standard applications.