later If you want a nice clean hole with no gaps around the perimeter, this won't work. It doesn't have a cutting spur to actually chisel the hole before removing the wood chips. It makes a 1 1/8 inch diameter hole and is a heavy duty drill that works well for deep holes. The entrance to the hole is uneven. Depends on your goal. In wiring, this is fine or rough work, where the depth of the hole is the goal of drilling. There are drills that have a cutting spur. You will see a hole and a woodenβ¦