RS PRO range of hard vulcanised red insulating fibre washers which are ideal for ISO metric and imperial BA fasteners.

Tap washers are a thin disk with a hole in the middle that is designed to even out an uneven surface so that the fastener can be securely attached to the surface. They can be made from various materials such as rubber, nylon, ceramic, these RS PRO sealing washings are made from vulcanised fibre.
Washer options include the following sizes:
289-073 - M2.5
526-350 - M3
526-366 - M4
526-372 - M5
526-388 - M6
530-258 - M8
530-264 - M10
530-270 - M12

Vulcanised red fibre washers in various sizes
Resistance to sea water corrosion, petroleum derivative, oils organic solvents
Abrasion and UV resistant and electrically insulating

Tap washers are also known as sealing washers and are designed to prevent leakage and contamination. Tap washers are ideal for plumbing applications to provide durable and reliable seals.

Vulcanised fibre washers are ideal for sealing and spacing throughout various industries. These type of washers are great to seal against water leakage or ingress. Fibre washers are ideal for:
Electrical insulation
Automotive usage
Glazing
Lighting
Marine usage
Plumbing

FAQs

Why would I need to replace a tap washer?
If your tap is dripping, no matter how much you tighten the tap then there is a good chance that the tap washer is worn or damaged and needs replacing. Tap washers are prone to wear and tear and when they are worn it allows a small amount of water through which drips from the tap.

Why RS PRO?
RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards; they’re only given the RS PRO seal of approval if we’re confident of their exceptional quality, which means you can be confident too.