A small hole drilled ahead of a full-sized hole as a guide.
More example sentences
- A pilot hole is a hole drilled with a bit that is slightly thinner than the shank of the nail.
- Pull the hole saw out and begin drilling from the other side using the pilot hole as your center guide.
- To avoid this, use a cordless drill to drill a pilot hole, one slightly smaller than the shank of the nail and then drive the nail into this.
Definition of pilot hole in:
- The US English dictionary