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State one reason for using a countersinking drill. - Leaving Cert Engineering - Question (c) - 2011
Question (c)
State one reason for using a countersinking drill.
Worked Solution & Example Answer:State one reason for using a countersinking drill. - Leaving Cert Engineering - Question (c) - 2011
Step 1
State one reason for using a countersinking drill.
Answer
A countersinking drill is used to enlarge the mouths of holes to accommodate the heads of countersunk screws or rivets. This enables the screws or rivets to sit flush with the surface material, reducing any protrusions and providing a smoother finish.