The Bosch S4L SDS-plus drill bits offer an extremely long lifetime when used in concrete & reinforced concrete. These drill bits are suitable for use in masonry, concrete & reinforced concrete & can be used in all rotary hammer drills with an SDS-plus holder. The features of these drill bits include ;
- Optimised drill bit flute surfaces for more accurately drilled holes.
- Special surface treatment of the flute for
- stronger surface compaction,