The coating gives 3000 hours minimum of neutral salt spray test as per astm b117 which ensures fasteners to provide the users with the best protection under severe usage conditions.
Ceramic coated bolts.
Length is measured from under the head.
In stock we have alumina and zirconia ceramic screws which have matching ceramic washers and ceramic nuts.
Hillman 5 16 in x 2 in gray hot dipped galvanized hex head.
Stock ceramic fasteners from ceramco are the solution for applications in which metal alloy or plastic fasteners fail or simply do not possess the properties demanded by the environment in which they must exist.
Screws made of this material may cost twice as much as coated steel fasteners.
They are nonconductive and highly resistant to corrosive gases.
Hillman 5 8 in x 4 in gray hot dipped galvanized hex head exterior lag screws.
Hillman 1 2 in x 6 in black ceramic hex head exterior lag screws.
To ensure compatibility use these screws with ceramic nuts.
Also most threaded fasteners are heat treated to increase their strength but when they re subsequently hot dip galvanized the high temperature around 860 f of the molten zinc in the.
Polymer coated screws have a few advantages over hot dip galvanized ones.
The zinc plating prevents the underlying steel from coming into contact with the aluminum and the risk of corrosion of the aluminum is reduced significantly.
Star flat head wood deck screws 1 lb pack.
Ceramic screws won t melt rust seize or become brittle even at extreme temperatures.
Product manufacturing stock fasteners solid ceramic bolts hex nuts washers.
Ortech supplies ceramic screws in both alumina and high strength zirconia.
Whenever you put time or expensive lumber into a clear finished project it doesn t make sense to use anything but stainless steel.
Some have an especially slippery top coat to make them easier to drive into wood.
Galvanized steel screws however are plated with a corrosion resistant coating usually consisting of zinc that is not nearly as reactive with aluminum.
But stainless steel is well worth it if you don t want to see any rust or stain marks on your project.
For technical drawings and 3 d models click on a part number.
A lifetime polymer coating provides extra corrosion resistance that is guaranteed for the life of your outdoor project.
More product details close 9 x 3 in.