Irwin 3046004 Speedbor Max Self Feed Bit, 1" Specialty Nuts or special bending tools required

or special bending tools required

Ideal for spilling flowers & ivy or hefty shrubs

Adheres and expands to fill

Subfloor to wood or steel

Irwin 3046004 Speedbor Max Self Feed Bit, 1" Specialty Nuts or special bending tools requiredHighlights: For drilling large diameter holes in wood for pipe, conduit and other applications Replaceable coarse screw point drills quickly in dry, wet, and gummy wood All bits have a 7 16" hex quick change impact shank that fits 1 2" or larger electric drills or 7 16" hex impact wrench drills Precision milled shank eliminates runout and wobble Forged in one piece from high carbon steel for maximum strength under tough drilling conditions Ideal for