The operation of making a cone-shaped enlargement of the end of a hole is known as

The operation of making a cone-shaped enlargement of the end of a hole is known as Correct Answer Counter-sinking

Counter sinking is used to enlarge the upper part of (a cavity), especially by chamfering, to receive the cone-shaped head of a screw, bolt.The operation of making a cone-shaped enlargement of the end of a hole is known as Counter-sinking
Bissoy MCQ

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