[Jewelry making - Article 00040] - Re: [Orchid] Finding the centre of circle

[John Sexton]

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    I might suggest that if you will have a lot of these discs to do
    that you make a fixture for your drillpress.Take a piece of hard
    wood and using a fostner bit of the appropriate size drill a hole
    part way throught the board. Then with a small regular drill
    complete the hole.Now again using the fostner bit center and clamp
    the fixture to the drill press table. Insert the drill for the hole
    you want to make. Put a few of your blanks in the hole in the
    fixture and drill using slow steady but light pressure That should
    get you pretty close to center. 

John (Jack) Sexton
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