Belville washer thicknees.
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Thread: Belville washer thicknees.

  1. #1
    Senior Member Samuel's Avatar
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    Per Rasmussen
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    Belville washer thicknees.

    Hi guys.
    I,m about to source 25 sets of the M10X1,25X25mm 10.9 bolt and the belville washer that goes with it. I just need one set myself so others will be up for sale at about 3£ a set

    They can supply a belville washer that is either 0,5 or 0,8 mm thick.

    Which one is the right one

    If possible an answer today to secure the purchase

    Cheers Per

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    Senior Member Engenia's Avatar
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    Errol Kowald
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    IMHO - buy genuine. That way it'll be the correct pressure.
    hooroo, Errol www.engenia.com.au [139,200 km - and counting .....]

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    Senior Member stevet457's Avatar
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    Errol is right with this one, too risky otherwise, for what its worth the one I just fitted was genuine and was pretty thick, I didnt measure it to be fair, but I would suggest it was more than 0.5mm thick.
    They are £3.99 each from MotoGB,
    Steve.

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    Senior Member bennyandthejets's Avatar
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    Quote Originally Posted by stevet457 View Post
    Errol is right with this one, too risky otherwise, for what its worth the one I just fitted was genuine and was pretty thick, I didnt measure it to be fair, but I would suggest it was more than 0.5mm thick.
    They are £3.99 each from MotoGB,
    Steve.
    And an M10 x 1.25 x 25mm 8.8 hex bolt cost me 25p locally

    Cheers
    Ian

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    Senior Member Samuel's Avatar
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    Ok fellas.

    But genuine Benelli hasn't allways been the best way to go

    Just thourgt I was lucky to find them bolts and washers.

    Think you are better of sourcing special hardware in UK.

    Finally I dont think it is of utterly importance exactly how the washer is performing as long as it puts pressure on the bolt.

    If some body has one on hand I would still like to have the thickness.

    Cheers Per

  7. #6
    Senior Member stevet457's Avatar
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    Ian, I paid about the same for my bolt too 30p as I recall, except for I went for a 30mm long one, fitted easy as the thread in the new shaft is 32mm deep, time will tell eh, Steve.

  8. #7
    Senior Member bennyandthejets's Avatar
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    Quote Originally Posted by stevet457 View Post
    Ian, I paid about the same for my bolt too 30p as I recall, except for I went for a 30mm long one, fitted easy as the thread in the new shaft is 32mm deep, time will tell eh, Steve.
    Penny a millimetre, then!

    Cheers
    Ian

  9. #8
    Senior Member Engenia's Avatar
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    Quote Originally Posted by Samuel View Post
    Finally I dont think it is of utterly importance exactly how the washer is performing as long as it puts pressure on the bolt.

    If some body has one on hand I would still like to have the thickness.

    Cheers Per
    Per, it's not the thickness that's important, it's the spring constant. That will depend on the material it's made of, as well as it's thickness. Wikipedia has a good explanation.
    It's pointless going higher than necessary.
    It's disastrous to go lower.
    I suspect Benelli have specified this correctly. So, unless you can find out the constant, go genuine.
    hooroo, Errol www.engenia.com.au [139,200 km - and counting .....]

  10. #9
    Senior Member colintornado's Avatar
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    As well as the material and thickness they are made with different angles which also has an effect on the tension.
    Colintornado

  11. #10
    Senior Member Engenia's Avatar
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    Quote Originally Posted by colintornado View Post
    As well as the material and thickness they are made with different angles which also has an effect on the tension.
    Colin, just for interest's sake, do you know how to work out the proper constant for this application?
    Anyone?
    hooroo, Errol www.engenia.com.au [139,200 km - and counting .....]

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