General description Equipped with three distinct sizes (20mm, 35mm, 50mm), the 2pcs Diamond Core Drill Bit Set ensures precise and efficient hole enlargement. This versatility enhances work efficiency across multiple projects, making it an essential tool for any construction or renovation job. Coated with premium-grade diamonds, the Multi-Layer Tapered Reamer exhibits exceptional wear resistance and maintains sharpness over time, designed for prolonged use in heavy-duty applications. Technical specifications Sizes: 20mm, 35mm, 50mm Material: Metal Shank: M10 Color: Gold Measurement allowed error: +/- 1-3cm Compatibility and accessories Compatible with most standard drills Suitable for materials: concrete, tile, marble, quartz, microcrystalline stone Installation Easily attachable to standard drills Usage Designed for both wet and dry drilling Ideal for professionals and DIY enthusiasts Suitable for drilling in metal, wood, and concrete Other information Package Contents: 2 * Diamond