Zeemo Jack Nut is rust proof treatment, electroplated white zinc/ color zinc.
The material of wing nut is ductile cast iron, it's high density, high strength, more durable, widely used for fastening screw and steel pipe formwork system.
Zeemo Jack Nut is factory directly sale, galvanized white zinc, can be used for thick screw, the fixing force is stronger, and tighter, used for fastening formwork, size&thickness can be customized.
