Diamond Drill Bit Set, 7-Piece Diamond Drill Bit Set for Tiles, Metal Drill Bits, 5/6/8/10/12/14/16mm - for Ceramic Tiles, Porcelain Stoneware, Tiles, Glass, Stone

[Professional Diamond Drill Bits] -- ConBlom dry-type ceramic tile drill bits are welded and can be used without adding water. Seven different sizes of marble drill bits (5/6/8/10/12/14/16 mm) are included to meet your various drilling needs.

[Fast and Smooth Drilling] -- The diamond drill bit features a scientific chip-removal design and overall forging, making the drill body more stable and preventing wobbling. This results in less material loss and less heat generation, allowing for full-speed drilling.

[High-Quality Materials] -- The diamond drill bit is made of high-quality emery-plated steel, hardened at high temperatures, resulting in high hardness, a sharp edge, and durability.

[Wide Application] -- The back of the diamond drill bits has a circular design which is widely used in hand drills and angle grinders. Ideal for solid ceramic tiles, marble, granite, ceramics, ordinary glass, etc.

[Package] -- What you will get: 7 different sizes of marble drill bits (5/6/8/10/12/14/16 mm).