In a nutshell
The right choise for
With the Bosch pro SDS-MAX-9 Break Through drill bit, you can create large wall penetrations in concrete, masonry, and limestone with ease. Featuring an 80 mm diameter and an 850 mm working length, it lets you bore cleanly through thick structures in a single pass to install ventilation ducts, plumbing pipes, or heavy cable conduits. The vacuum-brazed, three-cutter carbide tip breaks down tough aggregate swiftly, while the two-flute U-shaped flute design and tapered shank clear debris efficiently to prevent jamming. Compatible with all SDS-max rotary hammers, this breakthrough bit delivers the power and reliability needed for demanding structural renovations.