Electroplating is used to coat nails and screws with a thin layer of zinc.
Polymer vs ceramic coated screws.
But stainless steel is well worth it if you don t want to see any rust or stain marks on your project.
The screws provide long lasting performance and definitely it doesn t get damaged over time.
Polymer coated steel screws nails and bolts rely on a thin zinc plating covered with a non reactive organic polymer coating to fight corrosion in copper treated wood.
A more widely seen option is epoxy coated deck screws.
Heated fasteners are tumbled through zinc powder or zinc chips which bond to the surface.
Because of the high standard quality of the screws you can use it both indoor and outdoor also.
Stephen moss of grabber construction products 925 680 0777 described the coating on grabbergard screws as a polymer applied over zinc and then baked on.
Engineered using star drive technology these screws are twice as durable as a phillips drive and prevent stripping.
Ceramic coated screws can be used with both pressure treated lumber and composite decking.
Any manufacturer s stainless steel products will cost more than its coated steel ones.
As the name suggests the screw includes a thin polymer coating on the main metal of the screws.
Power pro brand screws with multiple layers of zinc and polymer based coatings.
Screws are coated with a thin layer of epoxy or ceramic.
Weather maxx bronze ceramic coat.
The green ceramic coating provides superior rust and corrosion resistance with 4 layers of protection a zinc layer a chemical adhesion layer an epoxy coating and a durable protective finish.
The ceramic coated screws can be a great choice for the deck and other exterior application.
These are available in a wide variety of colors and the resin coating will not chip off as easily during installation as can be the case with ceramic.
For instance titan metal werks a fastener manufacturer charges about 25 for 400 of their acq rated zinc coated with a polymer topcoat 6 by 2 inch splitstop screws.
The polymer coating acts like a plastic wrapper to keep water and dissolved copper from reaching and reacting with the zinc and steel.
Whenever you put time or expensive lumber into a clear finished project it doesn t make sense to use anything but stainless steel.
Screws made of this material may cost twice as much as coated steel fasteners.
The polymer coated deck screws are becoming extremely popular as they offer versatile protection against the rust and corrosion.
In contrast the same size and number of stainless screws costs about 66.
A dacro plated fastener has a similar though not as corrosion resistant finish.
