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Best dremel bit for grinding off sharp aluminium shards.

  • 14-09-2017 11:13AM
    #1
    BrokenArrows
    Registered Users, Registered Users 2 Posts: 7,529 ✭✭✭


    I made a bit of a hash of cutting the hole in my aluminium kitchen sink. The hole cutting bit broke so drilled lots of small holes but that has left lots of little spikes underneath and i cant get a tight seal when putting on the taps.

    I have a dremel that i can use to grind these off. Just need to buy some bits.

    Whats the best bit to buy to grind off these aluminium shards? Or is there a better method?


Comments

  • #2
    cletus
    Registered Users, Registered Users 2 Posts: 8,324 ✭✭✭cletus


    I don't find the grinding bits for dremel great, to be honest. It would be a lot more work, but perhaps a half round file and some elbow grease


  • #3
    antiskeptic
    Registered Users, Registered Users 2 Posts: 9,555 ✭✭✭antiskeptic


    BrokenArrows wrote: »
    I made a bit of a hash of cutting the hole in my aluminium kitchen sink. The hole cutting bit broke so drilled lots of small holes but that has left lots of little spikes underneath and i cant get a tight seal when putting on the taps.

    I have a dremel that i can use to grind these off. Just need to buy some bits.

    Whats the best bit to buy to grind off these aluminium shards? Or is there a better method?

    I take it you're not worried about the jagged nature of the hole itself (when viewed from above), you just want a flat surface underneath? A flat file (not to big, say 3/4" wide would do it in no time. Hold the file fairly flat and ensure the surface (in the area of the hole) is supported (given that surface is probably under the outer rim of the sink)

    I'd not bother trying to round the hole - you'll risk buckling the surface


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