12pcs Multipurpose Tile Hole Opener Set Durable Drill Bits for Brick Diamond Hole Saw Kit Marble

Label:Yes High Durability: Made from and Cemented carbide, our coring drill set lasts over ten times longer than traditional hole saws, ensuring both longevity and exceptional cutting accuracy for every job. High Drilling Speed: For the best performance, use our bits with power drills at speeds of at least 2000 RPM, maximizing lifespan and enhancing accuracy for all your projects. Versatile Application: Our drill bits smoothly cut through a variety of materials, including ceramic, granite, and glass, making them suitable for projects like countertops, mirrors, and flower pots. Extensive Size Range: Our hole saw kit comes with 12 different drill bit sizes, ranging from 6mm(0.24in) to 35mm(1.38in), catering to all your drilling needs with unparalleled versatility. Dry and Wet Compatibility: Our drill bits are suitable for both dry and wet drilling applications, ensuring excellent performance across various hard materials, making every drilling task a breeze.

Spec: Item Type: Drill Bit Set Material: Cemented carbide Color:Gold Weight:650g/22.9oz Shank: M10 Shank Granularity: 40 Grit Size: Approx. 6mm(0.24in) / 0.24in, 8mm(0.31in) / 0.31in, 10mm(0.39in) / 0.39in, 12mm(0.47in) / 0.47in, 14mm(0.55in) / 0.55in, 16mm(0.63in) / 0.63in, 18mm(0.71in) / 0.71in, 20mm(0.79in) / 0.79in, 22mm(0.87in) / 0.87in, 25mm(0.98in) / 0.98in, 30mm(1.18in) / 1.18in, 35mm(1.38in) / 1.38in The detailed dimensions of a single 35mm(1.38in) unit:35*65mm(1.38*2.56in)

Package List: 12 x Drill bits 1 x Storage box

Note: 1. After installing the hole opener, it should be idling and debugging to observe whether there is any beating, and then normal use. 2. When drilling, please work smoothly, do not apply lateral pressure and curve drilling. 3. Sufficient water must be added during use to reduce product wear and coating shedding. 4. It is strictly forbidden for dry drilling to cause high temperature friction, which will seriously affect the use effect. 5. When the chip removal is not well, please stop working, clean up and then continue. 6. When the drill bit is working, please continue to add water to increase its lubricity, which will greatly extend the service life of the drill bit.