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Advice needed

  • 27-03-2011 9:04pm
    #1
    Scody94
    Registered Users, Registered Users 2 Posts: 3,249 ✭✭✭


    hey all

    i received an Project M4 from my cousin yesterday and i discovered that on the pistol grip one of the two hex screws is worn and wont accept the Allen key. I have tried the proper Allen key size for it and it does not work.
    My question is does anyone have any ideas on how to remove the hex screw with out damaging the pistol grip ?

    Thanks
    Sean


Comments

  • #2
    se conman
    Registered Users, Registered Users 2 Posts: 981 ✭✭✭se conman


    You should be able to use torx or star drives.use one a little bit big and gently tap it into the screw.


  • #3
    Scody94
    Registered Users, Registered Users 2 Posts: 3,249 ✭✭✭Scody94


    se conman wrote: »
    You should be able to use torx or star drives.use one a little bit big and gently tap it into the screw.

    ill try that in the morning thanks :)


  • #4
    josh68
    Registered Users, Registered Users 2 Posts: 366 ✭✭josh68


    a small flat head screwdriver will do it ... a bit bigger than the hex hole and again gentle tap it in and it will turn...:)


  • #5
    NakedDex
    Registered Users, Registered Users 2 Posts: 5,984 ✭✭✭NakedDex


    Failing that, drill it. It sounds drastic but there's a method to the madness. Firstly, you'll need a set of special bits called "easy-outs". They have other names depending on the maker, but this is the colloquial name. They operate by using the drill in reverse, where their serated fluting is in reverse too. Select the right size for the Allen head from the set (usually a five-piece box) and run the drill in reverse with the bit placed firmly into the worn head of the screw (you may need to drill into the head a bit further with a small drill bit to get good purchase, but be careful doing so and be sure to use a bit smaller than the screw shaft diameter).
    Apply low but constant speed to the screw, with a squirt of release agent (Plus-gas or WD-40 etc) if needed.


    It should screw right out using these. If you're still getting no joy, I can talk you through the last resort method of drilling the shaft out.


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