Wet diamond core bit (type ES) for clean holes in concrete and masonry, used with water feed.
Optimal for reinforced concrete, cured concrete and brick and masonry; also suitable for natural stone; less suitable for tiles.
Dimensions: Ø142 mm. Wet drilling with water supply; 1/2″ shank for small diameters (hand-held), 1.1/4″ shank for large diameters on a rig.