KASTWAVE Diamond Drill Bits - 15 Pcs 6mm-50mm Kit

We focus on premium diamond drill bits for ceramic! The diamond hole saw drill bit set kit can help you to removes a complete circle from glass, marble, tiles,granite, ceramic or other. We are aware of your needs and knowing you are long for better glass drill bit for bottles! We hereby demonstrate our premium diamond drill bits for ceramic for you! Product Material These diamond drill bits made of high-speed steel that is durable and have a long sevice life,which are high quality and good performance that excellent for making clean and accurate hole.