7/8" x 21" SDS-MAX Bit, 4-Cutter

Makita SDS-Max 4-Cutter Bit is designed to work with SDS-Max Rotary Hammers to drill holes in concrete and reinforced concrete. Special impact-grade carbide combines with the 4-cutter technology for faster and more efficient drilling. The centering tip and central guiding action means faster and more accurate holes.