Zinc plating of bolts and nuts

Zinc plating is identical to electro-galvanizing in principle because both are electro-deposition processes. However, zinc plating is used on small parts such as fasteners, crank handles, springs and other hardware items rather than sheet metal. The zinc is applied as an expendable electrode in a cyanide, alkaline non-cyanide, or acid chloride salt solution. Cyanide baths are the most operationally efficient but can potentially create pollution and are hazardous.

Zinc is more corrosion resistant than steel in most natural atmospheres, the exceptions being ventilated indoor atmospheres where the corrosion of both steel and zinc is extremely low and certain highly corrosive industrial atmospheres.

Zinc plating of bolts and nuts

Zinc plating of bolts and nuts

Zinc plating is typically used for screws and other small fasteners, light switch plates, and various small parts that will be exposed in interior or mildly corrosive conditions. For use in moderate or severe environments,the materials must be chromate-conversion coated for additional corrosion protection.

Our company can supply zinc plating products with good quality. Last week we just finished an order of zinc plating of bolts and nuts for Kazakhstan customer. We done visual and diameter inspection as per customer’s requirement.

Also we await more inquiry and order from you.Email:sales@haihaogroup.com

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