DeWALT 22mm x 540mm EXTREME SDS Max Drill Bit - DT9420-QZ Impact Drivers Patented gear drive system allows

Patented gear drive system allows you to power through heavy-duty work

Long cutting edges for thicker cables

0Ah Li-Ion Batteries in a TStak case

Steam tempered black finish

DeWALT 22mm x 540mm EXTREME SDS Max Drill Bit - DT9420-QZ Impact Drivers Patented gear drive system allowsFor drilling reinforced concrete, masonry, natural and artificial stone 4 flute helix with maximum flute entry enables faster debris removal, with the core being reinforced for optimum impact and breakage stability Solid two cutter head is flanked by two individual cutting tips delivering a fast and efficient drilling speed 22mm drill bit. EXTREME SDS max concrete drill bits feature a solid two cutter carbide tip flanked by two individual cutting tips