Dimensions for Red Fibre Washers

Bolt Size Outside Diameter Thickness
M5 10.0mm 0.8mm
M6 12.5mm 0.8mm
M8 17.0mm 1.5mm
M10 21.0mm 1.5mm

How are fibre washers measured?

Fibre Sealing Washers: These fibre sealing washers are suitable for use on cable gland entry threads, to maintain ingress protection rating at the enclosure. Inside Diameter: 6.35mm = 1/4 inch approx. Outside Diameter: 9.53mm = 3/8 inch approx.

What is a fibre washer?





Red vulcanised fibre washers are generally used within the plumbing trade where a seal to prevent leakage is required. Vulcanised fibre washers purpose is to absorb the fluid they come in contact with and swell slightly to fill the joint or gap within the pipe of flange.

Do fibre washers expand when wet?

Fibre washers expand when damp, so better sealing if fitting is a bit iffy, also different applications require different washers.

Can I use a rubber washer instead of a fibre washer?

with little joint pressure. rubber washers will eventually perish, fibre wont.

How do I know what size washer I need?

Family size is one of the major factors in calculating washer size. As a general rule, the larger the family, the larger the washing machine. If your family is just you, your spouse and an offspring, you won’t need more than a compact or medium-sized washer in the 3-cubic-feet range.

How are washers sized?





Washer size refers to the diameter of the hardware’s hole and correlates with the bolt diameter. The outside diameter (OD) of a washer is always wider than the fastener. Most manufacturers usually specify size and OD in fractional inches, although some occasionally use decimal measurements.

Can I use 2 fibre washers?

Sometimes two fibre washers together can provide a better seal. Try doing the joint between ball valve and fill tightly before finally righting the ball valve to the cistern. This’ll allow the ball valve to fill joint to be made square on.

Are fibre washers heat proof?

Heat resistant nylon washers are usually placed between two joints. It is for this reason that they are used in appliances that are heat sensitive. These washers act as heat insulators thereby protecting the equipment from burning out. They can be used as protective devices.

What is fiber washer made of?

Fibre Washers are made from insulating papers and boards such as: Vulcanized Fibre Boards, Fish Paper, High Density Bone, Rag Paper, etc. Commercial grade fibre per ASTM D710 is used in most of WCL’s standard fibre washers. Washers are also available in Gasket materials as well as DuroidsĀ® and Friction Boards.

What are nylon washers used for?



Nylon. Nylon washers are often used due to their high strength, low-friction, and wear-resistant properties. They’re capable of withstanding most types of corrosive substances, and they are frequently used in electrical and thermal insulators.

What is fish paper?

Fish paper is a durable, flexible, electrical insulator that’s made of vulcanized fiber and used with motor windings and for gasket insulation. A lightweight dielectric paper, this electrical grade material is also a good choice for oil-filled transformers. Moisture absorption can cause fish paper to swell or curl.

What is a friction washer?

A friction washer or friction separator is a water high-speed cleaning machine for mixed plastics with high contamination or persistent dirt, for instance, PET and film flakes.

What is a Starlock washer?



Starlock washers are a pressing used on plain shafts of steel, when a quick and permanent means of efficient assembly is needed. These washers dispel the need for threading and grooving operations, and are incredibly secure.

What is a spring washer?

A spring washer is a single, circular, fastening component possessing deflection properties that provide spring tension in bolted assemblies. They are able to withstand a wide range of pressures and are often a cost savings solution when space requirements and assembly weight are design factors.

Do I need a spring washer?

For machines and objects that vibrate, spring washers are recommended. Spring washers are unique because they provide an axial load that counters vibrations and, thus, prevents fasteners from loosening.

What is a tab washer?

Tab washers are a mechanical locking solution that secure bolted joints using a physical barrier. The washer itself is a thin piece of metal usually rectangular or circular. The tab washer is installed between the bolt head/nut and the mating surface, and the bolted joint is tightened like a regular bolt.