Engineered for maximum durability, these MX4 4-cutter bits feature solid carbide heads and rebar guards for up to 5x longer life in concrete. The variable flute design removes dust faster to reduce heat, delivering up to 20% more holes per battery charge.

• 4-Cutter design prevents lock-up when hitting rebar, significantly reducing downtime.
• Variable flutes accelerate dust removal to reduce heat and provide up to 20% more holes per battery charge.
• Solid carbide heads with rebar guards deliver up to 5x longer life in concrete and hard aggregate.
• Sharp centering tips allow for exact spot drilling in concrete and metal decking.
• Integrated wear mark indicator signals when bits no longer meet ANSI requirements.
• German-made quality meets ANSI B212.15 standards to fit common anchors.
• Compatible with all SDS-PLUS rotary hammers for versatile masonry applications.