Electrical Insulating Washers

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.

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. 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. Also known as shoulder or insulator washers these nonmetal washers block electrical current and prevent galvanic corrosion from mating different types of metal. Find the shoulder washer from grainger that fits your specifications.

Insulating washers for all standard packages are available in many different materials. These washers may be used with polyethylene or phenolic sleeves. A shoulder washer is a fastener that has a surface shoulder area that comes into contact with a material surface. Our insulating washers are designed to provide tough positive insulation.

Nas549 electrical insulating washers are available in a variety of material. 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. Gpt one piece sleeves washers. Electrical insulating sleeve washers.

Hardware fasteners accessories washers bushing shoulder are in stock at digikey. Exposure to moisture may cause them to expand. 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. Insulate screws from mounting surfaces in electrical and electronic applications or use them to reduce vibrations.

Polyimide film mica hard anodized aluminum and reinforced silicone rubber are the most popular. Flat insulating washers placed on the studs between the flange and flat steel washers manufactured from the customer s choice of either. Fibre f paper phenolic three types if cotton phenolic fbm m fbg b fbe e glass melamine gmf p and. 1 8 3 175mm thick fabric reinforced laminated phenolic or non asbestos.

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. 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.