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topic 59896

Cadmium Plated Nuts with Zinc-Nickel Bolts



June 3, 2015

Q. I work for a company that designs custom equipment and we had a customer request all hardware that would resist galvanic corrosion. They requested we used zinc-nickel hardware, but we are having issues getting good quality lock nuts with a zinc nickel finish.

So I am wondering if Cadmium plated nuts and Zinc-Nickel plated hardware will cause any issues.

Andrew Strauss
Engineer - Red Wing, Minnesota, United States


October 9, 2015

A. Hello Mr Strauss,

The combination may work well in mild conditions but for an an outdoor wet environment condition, it be better if either the nut or bolt was painted over the Cadmium plating. Cadmium won't leach that way nor powder jam up.

Khozem Vahaanwala
Khozem Vahaanwala
Saify Ind
supporting advertiser 
Bengaluru, India
Saify Ind

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