General description The 70mm Dia Diamond Drole Hole Saw is designed for drilling through hard materials such as slate, porcelain, marble, glass, ceramics, and granite. Made from high carbon steel, this drill bit features a clean and smooth opening with no broken edges, ensuring stable drilling and minimal resistance. It is an ideal choice for DIY projects and home maintenance. Technical specifications Diameter: 70 mm Material: High carbon steel Coating: Gold paint for rust prevention Compatibility and accessories Compatible with all electric drills and hammer drills Package includes: 1 x diamond hole saw bit Installation Ensure the shaft is clamped in the correct position Take necessary protective measures during wood processing Usage Use water for lubrication while drilling to prevent overheating and extend the life of the bit Primarily used for drilling faucet mounting holes in stone countertops or plumbing lines in showers and vanities Other information Two-year warranty offered