- Extreme durability: IRON BLAST TECHNOLOGY of the SDS max bits strengthens the bit
- 2X longer life: DEWALT SDS hammer drill bits have a full carbide head in 4 cutter design
- Stands up to rebar strikes: Redesigned head geometry to withstand rebar strikes
- Wear mark indicator: For accurate diameter of holes
- NO BREAK GUARANTEE: If your bit fails for any reason while the wear mark is still visible, we’ll replace it (excludes: DW5861, DW5830, DW5831)