Our Glass Diamond Core Drill Bit is being introduced as an answer to the needs of glass working professionals and hobbyists. Fewer drill bits and precision cuts, these tools make vague cuts only on the target material without any surrounding damage. All challenging cuts should be easy, thanks to a diamond coating that will always hold its sharp edge. Our drill bits work for all sorts of projects whether they are elaborate glass designing or simple bulk glass installations. Our drill bits will perform to a level that will give confidence to customers.