Diamond cutting discs for dry and wet grinding, suitable for all commercially available angle grinders and wall chasers (mount diameter 22.2 mm). Version with sintered or lasered diamond studs. Diamond segments made of diamond grain bond (chrome bronze). The cutting discs are equipped with a keyhole for cooling and meet the criteria of the test standard EN 13236. Version with lasered diamond segments, blade hardness 38 HRC. For curbstones, paving stones, composite stones, roof tiles, bricks, exposed aggregate concrete, old concrete (hard / reinforced), sand-lime brick (soft / highly compacted), sandstone (hard), clinker brick (hard / medium hard), cast pipe (ductile), quadroblock, fireclay (soft), hollow block, plaster and basalt. Diameter mm150