⚙️ Adjustable 6mm 50mm Porcelain Kyoffiie Diamond Review

【Premium Material】- These hollow drill hole saw set are made of high speed steel and have a nickel-plated coating to resist corrosion. The thickened diamond coating on the top provides excellent cutting strength for high-precision, smooth cuts without hemming for maximum drilling results. 【Multiple Sizes】- 10 Sizes tile drill bits to meet various needs. Including 6mm, 8mm, 10mm, 12mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm, diameter of triangle bit: 6mm, 8mm, 10mm, 12mm. Set include 10 holes saw drill bits+1 hole saw guide clamp+1 screwdriver driver + 4 triangle bit. 【Ergonomic Design】- The large clearance holes along the drill bit help the entry of cooling water and the escape of chips and other particles from the borehole, ensuring smooth punching and making the drilling process easier. When debris gets stuck in the small hole saw. We can use our screwdriver to pull it out. Ceramic drill bit to provide you with the perfect experience. 【Adjustable Fixture】- Adjustable hole saw drilling guide fixture with suction cup-the maximum opening length of the board is 3-1 / 4 ", which is large enough to fit in all size hole saws. Movable ball bearings, two modes (fixing 3 or 4 bearings) are your choice, just flip the board. 【Widely Use】- This diamond-coated hole saw bit can be used to remove rings on glass, marble, tile, ceramic, PVC or other materials. When the glass drill bit is working, please continue to add water to reduce the drilling speed, reduce the drilling pressure, and increase the water lubricity, which will greatly extend the life of the bit.