5Pcs Sharp Cutting Mini Diamond Cylindrical Files Small Diameter Reaming Hand Tools for Ceramic Grinding Craft Making

Description: Electroplated Diamond Emery Drill Bits - High Wear-Resistant Abrasive Tools for High-Efficiency Drilling & Grinding on Tile, Glass & All Hard Brittle Workpieces Core Advantages: 1. Ultra-Hard Cutting Efficiency: High-purity diamond emery grit coating offers exceptional hardness, allowing the bit to pierce through hard brittle materials with zero effort, hugely improving your working efficiency and saving your working hours. 2. Firm Grit Adhesion: State-of-the-art electroplating technology fastens emery grit tightly to the core base, no grit falling off even during long hours of non-stop operation, ensuring stable working performance and preventing scratches or damages to your workpieces. 3. Sturdy Shank Design: Premium high-carbon steel constructed shank comes with outstanding bending resistance and standard universal size, fits most common rotary drills and grinding tools snugly, no shank fracture issues for maximum operation safety. 4. Neat Finishing Result: Evenly arranged emery grit on the working head delivers balanced cutting force, producing neat, burr-free, chip-free holes on glass or tiles directly, saving you the trouble of extra post-processing polishing work. 5. Extra Long Lifespan: Wear-proof emery material and rust-resistant electroplated coating extend its service life to 3-5 times longer than regular abrasive drill bits, lowering your replacement frequency and cutting down long-term use costs. Specifications: Category: Abrasive Drill Bit / Grinding Accessory Material: High-carbon steel core, electroplated diamond emery grit coating Size: 2.35mm universal shank diameter, around 42/43mm total length Color: Silver metallic finish Application: Ideal for drilling, grinding, engraving on tile, glass, ceramic, jade, stone, agate and other hard brittle materials Package: 5 pieces per pack Notes: 1. The product photos do not display the actual size, please check the product description for specific size information before purchasing. 2. Slight measurement error is acceptable due to manual measurement, thanks for your kind understanding. 3. The actual color of the item may be slightly different from the picture shown due to different monitor calibrations. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.