Anti-rust Bolts

Product Name	Anti-rust bolts
Material	carbon steel
Color	army green
Finish	Galvanizing passivation
Size	M6x40
Thread	metric thread
Head diameter	6.4mm
Strength grade	8.8
Pitch	1mm

 

Anti-rust bolts are bolts that have been treated or coated to resist rust and corrosion. These bolts are commonly used in construction, automotive, and marine applications where exposure to moisture and other corrosive elements is common. The anti-rust coating can be made of various materials such as zinc, chrome, or a polymer. Some anti-rust bolts also have a mechanical coating that provides an additional layer of protection against corrosion. Using anti-rust bolts ensures longer lifespan and reliability of the structures or equipment where they are used.

 

Galvanizing is the process of applying a protective layer of zinc onto a metal surface to prevent corrosion. Passivation, on the other hand, is the process of treating the surface of a metal with chemicals to remove any impurities or foreign materials.

 

Galvanizing and passivation are often used together in the production of metal products to provide better protection against corrosion. The process involves first preparing the metal surface by cleaning it thoroughly and removing any rust or contaminants. The surface is then coated with a layer of zinc through a process called electroplating or hot-dip galvanizing.

 

After the galvanizing process, the metal is treated with passivation chemicals to remove any zinc oxide that may have formed on the surface during galvanizing. The passivation chemicals also help to create a thin layer of oxide on the surface of the metal which acts as a further protective layer against corrosion.

 

Galvanizing and passivation are commonly used in the production of metal products such as pipes, wire, and sheet metal, as well as in construction materials like steel beams and plates. The process helps to extend the lifespan of these products by protecting them against rust and corrosion.

 

 

 

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