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Recent content by mrquartz

  1. mrquartz

    Close tolerance drilling of quartz with diamond core drills.

    I've dealt with many diamond tooling vendors... the following 3 companies make excellent diamond core drills in all the various grit sizes & bonds. The first two would be my pick, but Keen Kut (Frank) makes a good product too. http://www.accessdiamond.com/ http://www.sierradiamondtool.com/...

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