What you can do with it: This titanium-coated drill bit set is a practical addition to your Dremel toolkit. It includes 7 drill bits and an accessory holder for organized storage. The drill bits are ideal for drilling into wood, plastic, soft metals, and drywall. Made from high-quality stainless steel with deep threads and a titanium coating, these drill bits are designed for durability. The bits are available in sizes ranging from 0.8 mm to 3.2 mm. Application: Choose the appropriate drill bit size for your project. Drill straight and at a 90° angle into the material using the tip of the bit. All bits have the same shank diameter of 3.2 mm, so you won't need different collets, making accessory changes quicker. Materials: Can be used on wood, plastics, soft metals, and drywall. Recommended speed: 20,000 - 30,000 RPM.