When the desired hole is larger than 1/2" in diameter, a smaller hole called a ____ is often drilled before the larger drill bit is used.
A) feed hole
B) blind hole
C) through hole
D) pilot hole

Question

Quizplus · Accepted Answer

A pilot hole is a smaller hole drilled before using a larger drill bit. It helps guide the larger drill bit and reduces the risk of the bigger bit wandering and creating an inaccurate or oversized hole.

When the Desired Hole Is Larger Than 1/2" in Diameter