Diamond cutting discs for dry and wet grinding, suitable for all commercially available angle grinders and wall chasers (mount Ø 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 stone, roof tiles (medium hard / soft), bricks, concrete, lightweight concrete, old concrete (hard), sand-lime brick (soft / hard) and clinker (medium hard). Ø 230 mm