Engineered with solid carbide heads and rebar guards, these MX4 4-Cutter bits deliver up to 5x longer life in concrete with rebar. The integrated 4-cutter design prevents lock-up, while variable flutes remove dust faster to deliver up to 15% more holes per battery charge.

• 4-Cutter design prevents lock-up in rebar to reduce downtime
• Variable flutes remove dust faster, reducing heat and delivering up to 15% more holes per battery charge
• Solid carbide heads with rebar guards provide up to 5x longer life in hard aggregate
• Sharp centering tips allow for exact spot drilling in concrete
• Integrated wear mark indicator signals when the bit no longer meets ANSI requirements
• German-made quality designed to fit all SDS-MAX rotary hammers
• Meets ANSI B212.15 standards to fit common anchors