Irwin Tools 3046004 Speedbor® Max Self Feed Wood Drill Bit, 1" GiftsForSeason The electronic module and power

The electronic module and power cell are factory sealed in the unit

which is included in the #15-7

With an unlimited shelf life

Tensile strength: 83

Irwin Tools 3046004 Speedbor® Max Self Feed Wood Drill Bit, 1" GiftsForSeason The electronic module and powerIdeal for pipe & conduit systems. 3 times the cutting area & edges of standard self feed bits. For drilling large diameter holes in wood, aggressive screw pitch. Precision milled shank eliminates run out & wobble. Forged in 1 piece from high carbon steel for max strength under tough drilling conditions. Diameter: 1" Overall length: 5" Shank size: 7 16" Speedbor max self feed wood drill bit 3 times the cutting area & edges of standard self feed bits 7