The best diamond blade for your angle grinder depends on your specific needs, grinder compatibility, and material to cut. Here’s a breakdown based on the provided information:

- Blade Size & Compatibility:
- Ensure the blade matches your angle grinder’s arbor size (e.g., 22.23mm bore for 115mm/4.5″ blades ).
- Common sizes include 115mm (4.5″) and 4″ , while larger grinders may support 230mm blades . Check your tool’s specifications .
- Material-Specific Recommendations:
- Concrete/Stone: A 4″ diamond blade is praised for cutting concrete pavers efficiently .
- Metal/Steel: The ToughGrit™ 4.5″ blade is designed for metal and steel .
- General Building Materials: Diamond blades with rotational-translational movements (e.g., 4″ wheels ) handle diverse materials.
- Durability & Performance:
- Premium options like Superlok® blades (6–10″ diameters) offer specialized segments for heavy-duty tasks .
- The JCB 115mm blade is noted for high-performance, professional results .
Final Tip: Prioritize blades matching your grinder’s max disc size (e.g., 115mm/125mm for smaller tools ) and the material you’re cutting. For example:
- Concrete: 4″ blade or 230mm for large grinders .
- Metal: ToughGrit™ 4.5″ .
- Versatility: 115mm JCB blade .
Always verify the bore size (e.g., 22.23mm) and grinder compatibility before purchasing.