Questions and Answers
What is the primary purpose of a drilling operation?
To make a circular hole by removing metal from the workpiece
What is the difference between drilling and boring?
Drilling removes metal to produce a circular hole, while boring enlarges an existing hole
What are the principal parts of a twist drill?
Drill point or dead center, body, and shank
What material are most twist drills made of?
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What is the purpose of a center punch before drilling?
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