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 blue and white zinc plated serrated locking washer, surface treated with blue and white zinc plating, uniform anti rust and corrosion-resistant coating, and neat appearance. High strength integrated molding process, evenly distributed anti slip serrations around the perimeter, relying on embedded teeth for locking, significant anti loosening and shock-absorbing effects, compact structure, uniform force distribution, and not easily twisted or deformed. Suitable for indoor and mild outdoor use of mechanical and electrical equipment, instrument cabinets, and general hardware.