Tap Washers

What is a tap washer?
A Tap washer is 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. Tap washers are also known as sealing washers these type of washers are designed to prevent leakage and contamination. Tap washers come in a range of sizes and in various materials
Material Types:
• Rubber
• Nylon
• Fibre
• Vulcanised Fibre
• Ceramic
What does a tap washer do?
When a tap is turned on the washer is directed towards the seat of the tap. This creates a build-up of pressure, forcing the water out of the tap.
When the tap is turned off, the washer creates a watertight seal by pushing against the seat which stops the flow of water
Why would I need to change 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 .
Are there different size tap washers?
It will depend on the size of your tap, most kitchen and basin will have the same tap size, however bath taps may be larger. You can always take the old tap washer with you to the DIY store if you are unsure of the size you need to replace.

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Description Price For Screw/Bolt Size Outside Diameter Inside Diameter Thickness Material Finish
RS Stock No. 525-739
BrandRS PRO
£1.60
1 Bag of 50
Bag(s)
M3 8mm 3.2mm 0.8mm Nylon Plain
RS Stock No. 528-176
BrandRS PRO
£2.15
1 Bag of 50
Bag(s)
M6 12mm 6.4mm 1.5mm Nylon Plain
RS Stock No. 280-521
BrandRS PRO
£3.12
1 Bag of 50
Bag(s)
M8 18mm 8.4mm 2mm Nylon Plain
RS Stock No. 525-745
BrandRS PRO
£1.91
1 Bag of 50
Bag(s)
M4 9mm 4.3mm 0.8mm Nylon Plain
RS Stock No. 280-537
BrandRS PRO
£3.23
1 Bag of 50
Bag(s)
M10 22mm 10.5mm 2.5mm Nylon Plain
RS Stock No. 526-350
BrandRS PRO
£6.06
1 Bag of 250
Bag(s)
M3 7mm 3.2mm 0.5mm Vulcanised Fibre Plain
RS Stock No. 525-751
BrandRS PRO
£1.94
1 Bag of 50
Bag(s)
M5 11mm 5.3mm 1mm Nylon Plain
RS Stock No. 280-543
BrandRS PRO
£4.25
1 Bag of 50
Bag(s)
M12 24mm 13mm 2.5mm Nylon Plain
RS Stock No. 528-160
BrandRS PRO
£1.40
1 Bag of 50
Bag(s)
M2.5 5.6mm 2.65mm 0.8mm Nylon Plain
RS Stock No. 289-073
BrandRS PRO
£4.19
1 Bag of 250
Bag(s)
M2.5 6.0mm 2.7mm 0.5mm Vulcanised Fibre Plain
RS Stock No. 528-154
BrandRS PRO
£0.95
1 Bag of 50
Bag(s)
M2 5mm 2.15mm 0.8mm Nylon Plain
RS Stock No. 526-388
BrandRS PRO
£11.72
1 Bag of 250
Bag(s)
M6 12.5mm 6.4mm 0.8mm Vulcanised Fibre Plain
RS Stock No. 526-372
BrandRS PRO
£8.09
1 Bag of 250
Bag(s)
M5 10mm 5.3mm 0.8mm Vulcanised Fibre Plain
RS Stock No. 526-366
BrandRS PRO
£5.15
1 Bag of 250
Bag(s)
M4 9mm 4.3mm 0.8mm Vulcanised Fibre Plain
RS Stock No. 530-258
BrandRS PRO
£4.86
1 Bag of 100
Bag(s)
M8 17mm 8.4mm 1.5mm Vulcanised Fibre Plain
RS Stock No. 530-264
BrandRS PRO
£6.09
1 Bag of 100
Bag(s)
M10 21mm 10.5mm 1.5mm Vulcanised Fibre Plain
RS Stock No. 530-270
BrandRS PRO
£7.92
1 Bag of 100
Bag(s)
M12 24mm 13mm 1.5mm Vulcanised Fibre Plain
RS Stock No. 784-5184
BrandRS PRO
£9.27
1 Bag of 50
Bag(s)
3/4in - - 1.5mm Fibre -
RS Stock No. 300-5165
Mfr. Part No.315298 122003 2
BrandWatts
£31.71
1 Kit
Kit(s)
- 18mm 12mm 2mm Kevlar Nitrile Rubber Plain
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