With the Lewis universal auger drill bit, Heller has the ideal solution available for drilling through beams and rafters. The self-sinking thread tip enables precise drilling and, thanks to the sharp cutting edges, guarantees high drilling performance. The pre- and main cutter are hardened so that users can expect a long service life. Another advantage: The Lewis helix offers proven fast chip removal. The Lewis universal auger drill bit is available with a SDS-plus and HEX shank.

BEAMS

HARDWOOD

SOFTWOOD

rotary-drilling

HEX

SDS-p