Material: Carbon Steel
Hardness: 100HV, 200HV, 300HV
Surface treatment: natural color, blue and white zinc plating, color zinc plating, hot-dip galvanized modulation blackening, Dacromet
High strength color coated zinc serrated locking washer. Surface color zinc electroplating passivation, better resistance to salt spray and corrosion, refined with high-strength steel, integrated serrated locking structure design, uniform tooth spacing, strong bite force, can strongly lock the connection part, buffer vibration pressure, long-term anti loosening and anti falling. Adapt to complex and humid working conditions such as engineering machinery, power facilities, and outdoor transportation.