GUOQEE 70mm Diamond Drill Bit, Tile Hole Cutter Glass Hole Saw for Porcelain Tiles Ceramic Marble Granite Quartz Gemstone

• Specification: Size: 70mm. Suitable for cutting accurate holes on glass, ceramic, tile, porcelain, marble, stone bottles and pots. The spotting drill bit in the center helps for cutting accurate holes
• Each Tile Hole Saw with a Removable Diamond Tipped Drill Bit - No Special Guiding Tools Needed
• High-Performance Materials: The glass hole cutter is made of high-quality iron alloy, which is very sturdy. At the same time, the surface is nickel-plated, which has good rust resistance, corrosion resistance and prolonged service life
• The high-quality diamond drill bits with thicker diamond coating make the edge of the groove sharper, which can achieve smooth and high-precision cutting. Large chip holes on the side can remove waste, ensuring smooth and accurate punching
• Tips: Please use at low drill speeds and drill pressure. Always work with coolant (water) when drilling. Not suitable for drilling tempered glass, plastic and wood.

Features: Good performance:diamond dust coating offers superior performance and cutting strength. Wide application of the Tile Hole Saw: coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic or other materials and only needs water for lubrication.