Review on Diamond Baban Coating Ceramics Porcelain by Harley Franchetti

Bought to modify some glass containers for a Cold Drip Coffee Tower I built myself. The basic process I followed for cutting involved: - using a water filled soda bottle with a small hole to automatically lubricate as you cut - then gluing to a piece of plywood with a drill sized hole to start cutting. - And apply a little force when cutting and rotate the drill bit slightly. And I am very happy with the quality of the cuts I received for the cost these drill bits cost! I had no cracks or chips on the glass containers I cut and the holes fit my needs perfectly.