99-7548B Calrad 3/4" x 48" Stiff Shaft Drill Bit, drill bit has a hole at the end of the shaft for feeding wires thru the wall or window sill.

The BES QTT3448 QUATTRO Auger Flex Drill Bit drills smooth, clean holes in wood quicker. This amazing drill bit features four fluted cutting edges and is crafted from high quality steel. A screw tip at its head pulls the bit aggressively through wood and makes drilling an effortless task. The four cutting edges allow rapid cutting and the flutes insure easy and thorough removal of debris. This is truly a landmark in drill bit design.

The BES QTT3454 QUATTRO Auger Flex Drill Bit drills smooth, clean holes in wood quicker. This amazing drill bit features four fluted cutting edges and is crafted from high quality steel. A screw tip at its head pulls the bit aggressively through wood and makes drilling an effortless task. The four cutting edges allow rapid cutting and the flutes insure easy and thorough removal of debris. This is truly a landmark in drill bit design.

The BES QTT3472 QUATTRO Auger Flex Drill Bit drills smooth, clean holes in wood quicker. This amazing drill bit features four fluted cutting edges and is crafted from high quality steel. A screw tip at its head pulls the bit aggressively through wood and makes drilling an effortless task. The four cutting edges allow rapid cutting and the flutes insure easy and thorough removal of debris. This is truly a landmark in drill bit design.