Description

1-1/4″ diameter, speedbor maself feed wood drill bit, 3 times the cutting area & edges of standard self feed bits, 7/16″ hequick change impact shank that fits1/2″ or larger drills, also fits 7/16″ heimpact wrench drills, 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 mastrength under tough drilling conditions, ideal for pipe & conduit systems.