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washer

A washer is a thin plate (typically disk-shaped, but sometimes square) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a bolt or nut. Other uses are as a spacer, spring (Belleville washer, wave washer), wear pad, preload indicating device, locking device, and to reduce vibration (rubber washer).
Washers are usually metal or plastic. High-quality bolted joints require hardened steel washers to prevent the loss of pre-load due to brinelling after the torque is applied. Washers are also important for preventing galvanic corrosion, particularly by insulating steel screws from aluminium surfaces. They may also be used in rotating applications, as a bearing. A thrust washer is used when a rolling element bearing is not needed either from a cost-performance perspective or due to space restraints. Coatings can be used to reduce wear and friction, either by hardening the surface or by providing a solid lubricant (i.e. a self-lubricating surface).
The origin of the word is unknown; the first recorded use of the word was in 1346, however, the first time its definition was recorded was in 1611.Rubber or fiber gaskets used in taps (or faucets, or valves) as seal against water leaks are sometimes referred to colloquially as washers; but, while they may look similar, washers and gaskets are usually designed for different functions and made differently.

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  1. M

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    Hi, I am new to this. Just wish to know how to stop the noise from the pipes going right through the house when flushing the toilet
  2. T

    Toilet cistern help

    hi guys, looking for advice. In orderto flush my toilet, I need to 'pump' the flushing handle a few times to get the pressure for the flush. Sometimes this takes longer than others and its a pain if we have visitors etc. I need to get it fixed. I asked about it when in a DIY store and they said...
  3. F

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  4. F

    Fixing for waste from washer

    Hi, not sure if this post is in the right place but here it is anyway: I'm a complete novice when it comes to plumbing so bear with me. I recently moved house and I am trying to connect the waste pipe from the washer under my sink but apparently I needed a part called a 'long nose...
  5. S

    Leaking hot water tank - is this something I can fix myself?

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  6. M

    leaking drain valve

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  7. T

    Leaking cistern on close coupled wc

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  8. A

    Can anyone identify my wc's drop valve?

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  9. J

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  10. U

    geberit flush pipe seal & washer removal

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  11. W

    dripping tap

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  12. U

    Pressure washer feed

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  13. Robert Tyrrell

    Two pipe washer

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  14. K

    Kitchen mixer tap washer change.

    Hi there, I have an old Damixa mixer tap in my kitchen and it is dripping. I can't however get to the headgear nut as it is encased in two plastic mouldings, one of which is the inside plastic bit of the tap handle and turns the tap on and off when turned. Does anyone have any idea how I get...
  15. U

    Changing washer in kitchen mixer tap

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  16. Inverness

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  17. B

    Diverter Valve

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  18. S

    Neff Dishwasher Aquastop Connection Question

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  19. M

    washer required for London Traditional Bathrooms tap unit

    Anyone know where I can get some washers for these taps . I have tried making my own but it failed after a few months. Tried all the places I can think of. Thanks
  20. R

    Leaking tap connector callout

    Just had a call out to sort a leak under a washbasin. 1/2" tap connector (fibre) had almost split - replaced and all seems well. All copper - no flexis, and tap was fixed to basin correctly.:santa3: But for the life of me, I cannot understand WHY the tap connector had decided to split. It...
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