40mm Diamond Discs for Glass and Stone Cutting

8 pcs diamond discs Ø 40mm + 8 pcs chucks. It is a perfect mini cutting kit to put in your kit, which will save you a lot of budget and bring convenience. Sturdy steel core and high-density diamond coating, improving durability, high hardness and even cutting. These micro discs are designed to operate at high speeds while maintaining stability, reducing vibration and heating. 40 mm ultra-thin diamond micro disc for cutting hard and brittle materials: glass, tiles, jade, resin, engineering plastics. Suitable for narrow grooves, precise cutting and clean finishes, ideal for DIY, jewelry making, modeling and repair. Suitable for most rotary tools on the market, for straight cuts, controlled curves, and small openings; Micro bits for precision engineering. Indispensable in DIY and craft workshops. Usage Tips: For your safety, please wear gloves and glasses when using the product. It may get very hot when cutting, add a little water to keep it cool.