Dewalt DW5816 7/8″ x 21-1/2″ High Impact 4 Cutter Carbide Drill Bits, SDS Max Shank, Rock Carbide™ Tip, 4 Flute Design, 16″ Usable Length

SDS Max High Impact Carbide 4 Cutter Drill Bits are manufactured with IRON BLAST TECHNOLOGY™, a process that strengthens the bit to resist fatigue and results in extreme durability. The redesigned, 4-cutter carbide head offers 2X longer life* and even stands up to rebar strikes. These bits are made in Germany and are GUARANTEED TOUGH® – so tough that we are offering a NO BREAK GUARANTEE**. If you have our bits, we have your back.

Features:

• 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

Applications:

• Drill through-holes in reinforced concrete and masonry

 

• Post-installed rebar connections

 

• Drilling holes for medium and heavy-duty anchors