willstar Diamond Drill Bits, 16Pcs Hollow Drill Hole Saw Set, 10 Pcs Hole Saw Set with Adjustable Hole Saw Guidance Fixture & 4 Triangle Drill Bits & Screwdriver for Ceramic, Glass, Tile, Porcelain, Marble
- 【Superb Craftsmanship】These diamond drill bits 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 in the kit to meet various needs. Including 6mm, 8mm, 10mm, 12mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm, diameter of triangle bit: 6mm, 8mm, 10mm, 12mm.
- 【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. 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 diamond 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.