Electrical Insulating Washers

Our insulating washers are designed to provide tough positive insulation.

Electrical insulating washers.

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. If not specified washers will be plain faced phenolic. 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. 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.

1 8 3 175mm thick fabric reinforced laminated phenolic or non asbestos. Gpt one piece sleeves washers. These washers are laminated in several grades including xp conolite cexxxp cef le xxp and others usually in the material color or black. Fibre f paper phenolic three types if cotton phenolic fbm m fbg b fbe e glass melamine gmf p and.

Hardware fasteners accessories washers bushing shoulder are in stock at digikey. 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. 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.

These washers may be used with polyethylene or phenolic sleeves. Nas549 electrical insulating washers are available in a variety of material. Nylon 6 6 washers have good abrasion resistance. 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.

Electrical insulating sleeve washers. Insulating washers for all standard packages are available in many different materials. Also known as shoulder or insulator washers these nonmetal washers block electrical current and prevent galvanic corrosion from mating different types of metal. Exposure to moisture may cause them to expand.

Polyimide film mica hard anodized aluminum and reinforced silicone rubber are the most popular. 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.