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.
Polymer vs ceramic coated screws.
Whenever you put time or expensive lumber into a clear finished project it doesn t make sense to use anything but stainless steel.
Ceramic coated screws can be used with both pressure treated lumber and composite decking.
Weather maxx bronze ceramic coat.
In contrast the same size and number of stainless screws costs about 66.
Heated fasteners are tumbled through zinc powder or zinc chips which bond to the surface.
As the name suggests the screw includes a thin polymer coating on the main metal of the screws.
Electroplating is used to coat nails and screws with a thin layer of zinc.
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.
But stainless steel is well worth it if you don t want to see any rust or stain marks on your project.
Because of the high standard quality of the screws you can use it both indoor and outdoor also.
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 polymer coated deck screws are becoming extremely popular as they offer versatile protection against the rust and corrosion.
Screws are coated with a thin layer of epoxy or ceramic.
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.
John wagner associates offers a line of grabber screws that they say are better than galvanized fasteners.
The screws provide long lasting performance and definitely it doesn t get damaged over time.
Engineered using star drive technology these screws are twice as durable as a phillips drive and prevent stripping.
Screws made of this material may cost twice as much as coated steel fasteners.
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.
The ceramic coated screws can be a great choice for the deck and other exterior application.
Like the other screws it doesn t have any coating for the corrosion but corrosion cannot affect it.
The polymer coating acts like a plastic wrapper to keep water and dissolved copper from reaching and reacting with the zinc and steel.
A more widely seen option is epoxy coated deck screws.
A dacro plated fastener has a similar though not as corrosion resistant finish.
