Question

this type of hole has a conical - shaped recess around hole at surface. it is often used to accept tapered screw. identify the hole type circled in red:
blind
tapped
countersink
counterbore

Explanation:

• A blind hole does not go all the way through the material.
• A tapped hole has internal threads.
• A countersink is a conical - shaped recess around a hole (matches the description in the problem).
• A counterbore is a cylindrical recess around a hole.

Answer:

Countersink