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Looking for a non-standard socket wrench bit

Discussion in 'Tools and Materials' started by Goku, 24 Oct 2017.

  1. Goku

    Goku

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    I am trying to remove an oven heating element which is fixed in place with 2 bolts which seem to be a very specific size (between 3/16 and 7/32 which leads me to believe it's 5.16mm or 13/64). Based on the site below, I think that these are in US sizes which might make it harder to find in the UK.

    I cannot remove the old one with any of the bits that I have which are as follows:

    Too small: 4mm, 5mm, 3/16
    Too big: 6mm, 7/32

    You can see a table of sizes here: https://www.engineeringtoolbox.com/wrenches-inches-metric-us-conversion-comparison-d_1607.html

    It is not easy to grip them with pliers or an adjustable wrench to turn. Products like the following are too big and may not grip the very shallow bolt head: https://www.amazon.co.uk/Gator-Grip-ETC-200MO-Universal-Socket/dp/B000065CJ8

    Thinking of popping down to a local car mechanic and trying my luck.

    Can anyone help point me in the right direction to get these pesky bolts off?
     
  2. JohnD

    JohnD

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    is it an American oven? Or British? Or European? About how old? There are several archaic British ranges of spanner sizes from before AF became dominant.

    A photo of the bolts might spark off more ideas.

    When you look at screw heads on the oven, are they slotted, philips or Pozi?
     
  3. Burnerman

    Burnerman

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    Could well be a BA size, this one.
    John :)
     
  4. big-all

    big-all

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    open ended spanners are more forgiving off odd sizes as they have a longer flat
    also thin metal screwdrivers washers etc in an oversized spanner can get you out off many a hole
     
    Last edited: 24 Oct 2017
  5. wgt52

    wgt52

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    Do you know a (or Ex-) BT technician - one who worked in the Old Electro-Mechanical ('clockwork') exchanges? Those people would have lots of odd sized box spanners in their toold kits - most kept their kit when they retire/took redundancy.
     
  6. Me too.
     
  7. ^woody^

    ^woody^

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    A set of these multi wrenches are one of the best investments I have made. There are similar types but they work on the same principle. Bolts, rounded bolts, round bolts, they do the lot.

    [​IMG]
     
  8. Goku

    Goku

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    Pictures attached. I've tried adjustable wrench but it doesn't fit in the space due to the curvature of the back plate and the oven element restricting movement
     

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  9. rsgaz

    rsgaz

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  10. Goku

    Goku

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  11. magicmushroom666

    magicmushroom666

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    Are you sure there isn't nuts on the back? They almost look like pressed in studs which have a hex pattern to hold in the material. if there's access to the rear it would be worth looking before going any further.
     
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  12. Goku

    Goku

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    Good shout. I'll take a look
     
  13. JohnD

    JohnD

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    have you bought the new element yet? that should tell you.
     
  14. Goku

    Goku

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    Success!! Thank you all for your input. One step closer to having lovely baked food again
     

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  15. Baconsdozen

    Baconsdozen

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  16. DIYnot Local

    DIYnot Local

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