Lasts up to 4 times longer than a standard MultiMaterial diamond cut-off wheel - Modern construction sites need to cut many different hard materials that put a lot of strain on the tools. The Expert MultiMaterial cut-off wheel is the ideal accessory for busy construction professionals who need to cut concrete, bricks, roof tiles and reinforced concrete, because it simply offers greater durability. The high segments of this cut-off wheel are made of an advanced matrix of metal and diamond that remains extremely sharp. These segments are laser welded onto a hard steel body. The sides are grooved to remove dust. This improves efficiency and longevity. This blend of optimum diamond grit and advanced design features gives the Bosch Expert MultiMaterial diamond cutting disc unsurpassed durability. It cuts more reliably and longer than other Bosch diamond blades and ultimately offers excellent value for money. With 22.23 mm bore diameter for standard angle grinders with clamping nut. Diameter mm: 230, Bore diameter mm: 22.23, Cutting width mm: 2.4, Segment height mm: 15