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  1. #2
    Hi Brian,

    This is my experience. You could read there about what speeds and feeds i used. All was done using high quality 3mm micro grain carbide bit/ not chinese/ . You could buy them from ebay, search for Kyocera. Obviously even better would be to use solid carbide drills. And if some kind of coated, it will speed things up also.

    The bit you link to seems ok. At least the tip and the flutes angle. Don't know about their quality
    project 1 , 2, Dust Shoe ...

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