What is the primary difference between countersunk and counterbored holes?
A)Only counterbored holes can be both flat and at an angle
B)Counterbored holes are flat, while countersunk holes are at an angle
C) Only countersunk holes can be both flat and at an angle
D) Countersunk holes are flat, while counterbored holes are at an angle

Question

Quizplus · Accepted Answer

Counterbored holes are designed to allow the head of a bolt or screw to sit flush with or below the level of a surface, featuring a flat bottom. Countersunk holes, on the other hand, are angled to match the tapered head of a countersunk screw, allowing the head to sit flush with or below the surface level.

What Is the Primary Difference Between Countersunk and Counterbored Holes