DeWALT DT950 Series SDS Drill Bit for Concrete, 4mm Diameter, 110 mm Overall

The DeWALT EXTREME SDS+ 4mm x 110mm 2 Cutter Drill Bit is designed for fast drilling of plug, anchor or clearance holes in masonry, stone, concrete, and brick/block work. With features like TOUGH CORE for increased durability and IRON BLAST TECHNOLOGY for reduced breakage risk, this drill bit offers optimized power transmission with its 2 CUTTER CARBIDE HEAD design.

Tough core technology for increased material within the bit for higher durability
Iron blast technology to strengthen the bit and reduce breakage risk
2 cutter carbide head design for better penetration, longer life, faster drilling, and greater durability
Optimized mounting shank for perfect grip and optimum power transmission
Hardened steel body for extra strength and reduced breakage