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Hinge question

  • 29-07-2013 4:51pm
    #1
    zarafiq
    Registered Users, Registered Users 2 Posts: 60 ✭✭


    Hello,

    From what I can see screw holes in hinges are slightly larger
    than the diameter of the screws that come with the hinge.
    Was wondering what is the reason for that.


Comments

  • #2
    galwaydude18
    Registered Users, Registered Users 2 Posts: 3,695 ✭✭✭galwaydude18


    zarafiq wrote: »
    Hello,

    From what I can see screw holes in hinges are slightly larger
    than the diameter of the screws that come with the hinge.
    Was wondering what is the reason for that.


    I don't know if there is a reason other than it makes it easier to drive the screw into the door frame. Also when you pilot drill the screws you need to centre the hole and then the head of the screw ends up centred in the holes in the hinge


  • #3
    time lord
    Registered Users, Registered Users 2 Posts: 606 ✭✭✭time lord


    zarafiq wrote: »
    Hello,

    From what I can see screw holes in hinges are slightly larger
    than the diameter of the screws that come with the hinge.
    Was wondering what is the reason for that.
    The diameter is usually wider as the fixing comes about when the head of the screw engages in full with the hinge. If it is a good fit and sits into the hinge flush then it is as good an engagement the screw and hinge will have.


  • #4
    endacl
    Registered Users, Registered Users 2 Posts: 22,407 ✭✭✭✭endacl


    The bevel in the screw head matches the countersink in the hinge flange. More secure. Also tidier looking when the screws sit flush. If, as was mentioned, they've been centred properly.

    If I read your question right?


  • #5
    zarafiq
    Registered Users, Registered Users 2 Posts: 60 ✭✭zarafiq


    Hi endacl,

    1.en.jpg

    I agree that the beveled part matches the screw ok, what surprises me is the larger than expected difference between
    "hole diameter" and "body diameter" dimensions on the hinges I've seen.

    Is it common to drive the screw at slight angle (that would explain a larger hole to permit that)?


  • #6
    endacl
    Registered Users, Registered Users 2 Posts: 22,407 ✭✭✭✭endacl


    zarafiq wrote: »
    Hi endacl,

    1.en.jpg

    I agree that the beveled part matches the screw ok, what surprises me is the larger than expected difference between
    "hole diameter" and "body diameter" dimensions on the hinges I've seen.

    Is it common to drive the screw at slight angle (that would explain a larger hole to permit that)?
    I honestly don't have an answer...

    Thanks, by the way. Now I'm wondering about something I'd never wondered about before...

    :D


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  • #7
    CJhaughey
    Registered Users, Registered Users 2 Posts: 14,907 ✭✭✭✭CJhaughey


    I would say its to allow for slight adjustment of the hinge if its not perfectly square.


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