Material: Carbon Steel
Hardness: 100HV / 200HV / 300HV
Finishes: Plain / Blue-White Zinc Plated / Yellow Zinc Plated / Hot-Dip Galvanized / Blackened / Dacromet
High-Strength Hot-Dip Galvanized Flat Washer – Processed with hot-dip galvanizing, featuring a uniform zinc coating thickness and strong adhesion. Excellent corrosion resistance, far exceeding standard electroplated zinc. Effectively resists outdoor rain, snow, moisture, acids, alkalis, and other harsh environments. High strength and resistant to deformation. Evenly distributes bolt preload and protects the surface of connected components. Mainly used in outdoor steel structures, construction projects, power equipment, mining machinery, and other long-term outdoor fastening applications. Low maintenance cost and long service life.