Hole Saw Sets, Tile Cutter, Diamond Drill bits for Porcelain Tiles, 16PCS Core Kit with Adjustable Guide Jig Fixture Tile, Ceramic, Glass, Porcelain, Marble

Premium QualIty: These diamond bits are made of industrial grade carbon steel and have a nickel coating to prevent corrosion. The drill bit is made of diamond coating, which is very suitable for machining accurate and smooth holes in glass or other brittle hard materials. Powerful Suction Cup & Stability: Upgrade double suction cup design, provide more powerful suction than the single suction cup. It can firmly absorb the smooth surface and effectively fix the drilling position of the hole saw. The precise positioning system firmly clamps the hole saw to prevent slipping and damage to objects caused by improper operation. Easy to Use: The natural rubber suction cup has good resistance and is very strong, which can keep the drill locator on a smooth surface. Adjustable positioner, strong clamping force, the guide drill will not move, and the operation is smooth. Adjustable Drill Guide: No need to worry about scratching your tile when drilling the hole. Our Adjustable hole saw drilling guide with suction cup and 4 bearings.From 6mm to 50mm all the hole saws can fit in this guide. Multi function: Suitable for drilling ceramics, glass, granite, marble, quartzite, vitrified brick, etc. (Note: 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 prolong the service life of the bit. Dry drilling is strictly prohibited.)