Review on 💎 Dazzling Diamond Jewelry Shells: Stunning Gemstone Pieces for Your Collection by Michael Gupta

drill Hardwood, stone, glass and porcelain/ceramic. I use stone/glass/porcelain/ceramic coolant. Have drilled about 10 pieces with one drill so far but it still cuts quickly and efficiently. stone/porcelain make sure you have a drillable backing (I use acrylic panels) to reduce blow out at the exit.