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drilling jasper?

I am a neophyte so excuse these questions. I have purchased a Foredom SR. My first attempt at drilling 1 mm and 3 mm holes in some 1/4 jasper slabs did not work out very well ..... I had bought some core tools with diamond plate ....and you already know it took two to get through one piece!

What is the best solution (where/what to buy) ... to drill 1 and 3 mm holes (w/ the SR) in something that is in the hardness range of jasper, beryl, tourmalin etc.?

Thanks,
Dennis

From Dennis Durgin - December 11, 2007 at 10:53:56
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Message: 65682

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Bob Keller