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.

Self-sinking thread tip for on the spot drilling
Excellent drilling progress thanks to extra sharp cutter tip
Hardened pre- and main cutter ensures a long service life and maximum stability
Lewis helix proven for fastest chip removal
Ideal for cordless drills, too

Shank - Hex
Diameter - 26mm
Length - 450mm

1x Heller Auger Drill Bit 26 x 450mm