SDS Max High Impact Carbide 4 Cutter Drill Bits are manufactured with IRON BLAST TECHNOLOGY, a process that strengthens the wood drill bit to resist fatigue and results in extreme durability. The redesigned, 4-cutter carbide head offers 2 times longer life and even stands up to rebar strikes. If you have our bits, we have your back.

• Extreme durability: IRON BLAST TECHNOLOGY strengthens the bit
• 2X longer life: 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