The Akust Rustless Nylon Screw Washer are a great way to insulate your next mounting project. These nylon washers are designed for 4mm or 6-32 screws and can be used for virtually anything. The nylon material keeps the metal from the screw from contact on the mount surface or can add some height to get just the right fit.
The Akust Rustless Nylon Screw Washer w/ Cover lets you cover the unsightly screw heads. These are good for aesthetic reasons as well as insulating the screw from the surface.
This washer was designed to accommodate the #4 Flat heads as well as a 3MM metric Flat heads. You can now use the flat heads in place of Socket heads or Button heads in most applications. These are great to give your mounting screws a bit of a boost when you are close to your radiator fins!
Inside Diameter - 3.2mm
Outside Diameter - 8mm
Thickness - 2.0mm
The M4 Flat Washer Stainless Steel - Black is a standard flat washer in a black-oxide finish.
Inside Diameter - 4.3mm
Outside Diameter - 9mm
Thickness - 0.8mm