With the Hikoki 782533 hammer drill bit set, you easily drill deep pass-through holes across concrete, masonry, and stone. Thanks to the 450 mm length, reaching through thick exterior walls, cavity walls, and solid floors becomes straightforward. This 6-piece set equips you with all the essential diameters: 10, 12, 14, 16, 18, and 20 mm, ensuring you have the right tool for installing conduits, pipes, and deep anchors. The SDS-Plus shank fits securely into your rotary hammer, transferring impact energy efficiently without slipping so you can complete heavy renovation and installation jobs with speed and control.