55 x 600mm Bosch SDS Max-9 Break Through Drill Bit 1618596457

Suitable for breakthroughs with diameters from 45mm to 80mm in concrete, masonry, limestone, e.g. for fixing cables and pipes outside. • Fine grade high durable carbide Long lifetime/ Best wear resistance • 2-flute U-shape Standard lifetime/ Good dust removal • 3-cutter, vacuum brazing & hardening For fast breakthrough & good removal of large pieces • Long shank for breakthrough drilling Note: Always ensure you use a rotary hammer drill with suitable capacity for use with these breakthrough drill bits to avoid overload.