Electrical Insulating Washers

Our insulating washers are designed to provide tough positive insulation.

Electrical insulating washers.

These washers are laminated in several grades including xp conolite cexxxp cef le xxp and others usually in the material color or black. Electrical insulating sleeve washers. Fibre f paper phenolic three types if cotton phenolic fbm m fbg b fbe e glass melamine gmf p and. Electrical insulating rolled collar sleeve washers as you tighten your screw the rolled collar compresses under the head to create an insulating barrier between a screw shank and a mating surface.

Also known as shoulder or insulator washers these nonmetal washers block electrical current and prevent galvanic corrosion from mating different types of metal. The first three of these require the use of a thermally conductive grease heat sink compound between the mating surfaces to fill the minor voids that exist. Hardware fasteners accessories washers bushing shoulder are in stock at digikey. It protects bolts and screws from coming into contact with a material surface providing insulation and isolation in electrical and telecommunications applications such as circuit board mounting applications.

These washers may be used with polyethylene or phenolic sleeves. 1 8 3 175mm thick fabric reinforced laminated phenolic or non asbestos. Nas549 electrical insulating washers are available in a variety of material. If not specified washers will be plain faced phenolic.

Insulating washers are available for bolt sizes from 1 2in 12 7mm through 3 1 2in 88 9mm and are made to fit over the isolating sleeves. Find the shoulder washer from grainger that fits your specifications. A shoulder washer is a fastener that has a surface shoulder area that comes into contact with a material surface. Insulating washers for all standard packages are available in many different materials.

Molded from acetal resin and available for bolt diameters from 1 2 to 1 1 2 12 7 to 38 1 mm one piece sleeves and washers are structurally tough but limited to applications where the flange temperature does not exceed 180 f 80 c and compressive loads do not exceed 18 000 psi. Insulate screws from mounting surfaces in electrical and electronic applications or use them to reduce vibrations. Flat insulating washers placed on the studs between the flange and flat steel washers manufactured from the customer s choice of either. Polyimide film mica hard anodized aluminum and reinforced silicone rubber are the most popular.

Hardware fasteners accessories ship same day. Also called an insulating washer this nylon washer offers long barrel and short barrel options in a wide range of dimensions that complement different bolt sizes.