General description What you will get: there are 20 pieces of diamond drill bits in the package, which are sufficient to meet your daily use and replacement needs. You can also share them with your family and friends who love handicraft or who have a job of handicraft. Quality material: diamond hole saw drill bits are made of high strength carbon steel, which makes these diamond drill bits precise, not easy to deform or wear, providing them with a more pointed and longer service time. Great design: diamond coated drill bits are finely made and have a smooth finish. Side chip removal holes are designed for easy removal after drilling to improve the speed of drilling and work more efficiently. Wide application: you can safely use the hollow core drill bit, which is suitable for drilling holes in various materials, including glass, tile, bottles, blocks, jars, fiberglass, porcelain tile, ceramic, marble, and light stone. Technical specifications Diameter: 1/2 inch (12 mm) Shank length:
Availablity: 3-5 days
Free shipping & return for orders over $200