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loose holes in door - lock

Discussion in 'Building' started by Jupiter01, 26 Sep 2018.

  1. Jupiter01

    Jupiter01

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    I've got a garage door which has the following lock mechanism. The carpenter had to use very small screws as there is a lock mechanism behind this handle. I suspect the wrong lock has been used but we are where we are...

    The screws have come loose. I tried packing it with matchsticks and then re-tightening but it didn't last. Any tips please?
     

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  3. Ian H

    Ian H

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    The screws in the handle or the actual lock unit? If it’s the unit you have about 75mm before the screw touches anything and at least 40mm on the handle if it’s a fire door.

    On some like that they come with screws and bolts so you could bolt it through to the opposite handle and they pull towards each other.
     
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  4. Jupiter01

    Jupiter01

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    The screws do not go into the lock. They are going through the small bit of wood and hence quite small screws. The holes have loosened and I feel that I need to tighten/pack these for the screws to grip again.
     
  5. JohnD

    JohnD

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    I see it's a Union 5-lever BS Sashlock.

    Something like this
    https://www.uniononline.co.uk/en/si...nge/5-lever/2234---5-lever-mortice-sash-lock/

    [​IMG]

    Observe there is a notch in the case alongside the handle, and a hole to the other side. These are designed for bolt-through fixings.

    The special screws and sleeve-nuts made for the job look like this

    [​IMG]

    they may be listed as door-handle screws or connecting screws.

    the holes are sized to fit common handles with 2 screws.

    This door handle, for example, mentions that it has a bolt-through fixing
    https://www.ironmongerydirect.co.uk...lever-door-handle-on-rose-satin-chrome-634428
    I can't see the screws listed separately on that website, but they are on ebay.

    It's a neat fixing. In larger sizes, sleeve nuts add strength to reinforcing plates on doors or gates.
     
  6. ^woody^

    ^woody^

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    Put glue in the holes
     
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  7. Jupiter01

    Jupiter01

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    Thanks guys. Would wood glue suffice? Seems like the easiest option.
     
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  9. Notch7

    Notch7

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    The correct lock has been used, wrong handle type (n)

    Thats the disadvantage of using a lever on a rose instead of a lever on a backplate when fitted on a sashlock.

    lever on rose is fine when used with a tubular latch -no metal in the way.

    on a 44mm door you only have 13mm of wood to screw into....that might be chipboard

    sometimes I csk the hole more and put in a bigger screw, say 3.5mm or 4mm cut down to the short length.

    or glue in a plug of some sort to grip in the hole. matchstick, plastic plug or insert.
     
  10. JohnD

    JohnD

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    is it a hollow door?

    has the lock been placed in the lock block? (look on the top of the door)
     
  11. Ian H

    Ian H

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    Oh yeah, i never thought of the big metal lump in the way!!
     
  12. ^woody^

    ^woody^

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    Yes, but TBH, those screws get a lot of force and may still work loose if the door core is crap, and it may be better long term to replace with the sleeved bolts and latch if need be as per JD's post.

    See how you go with the wood glue first.
     
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  13. KenGMac

    KenGMac

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    As a filler you could consider car body filler?
     
  14. footprints

    footprints

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    As said above the screws may be too long so hitting the lock and chewing out. Drill the holes out and tap wood (ready made dowels are good) in with glue let it set up, drill a pilot hole and check the screw is not too long, worth starting a longer screw then nipping the tip off to length that gives a bit more good thread because you have cut off the taper.
     
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