Makita (B-66313) 3‑1/8" x 24" SDS‑MAX Tunnel Bit MAP torque absorbing shoulder power rings

torque absorbing shoulder power rings

an optimized torsion zone

Rocker switch for forward/reverse operation

Handle design prevents rolling

Makita-built BL™ Brushless Motor delivers up to 459 CFM and 116 MPH

Makita (B-66313) 3‑1/8" x 24" SDS‑MAX Tunnel Bit MAP torque absorbing shoulder power ringsIdeal for Drilling Large Holes in Masonry where Depth of the Hole Exceeds the Depth of a Standard Core Bit Ideal for drilling large holes in masonry where the depth of the hole exceeds the depth of a standard core bit Solid tungsten carbide head Two flute design for faster clearance of debris Solid one piece system transfers power directly to the end of the bit