Multiple Choice
Tech A says that when using a Heli-Coil to repair a damaged thread, the Heli-Coil is welded into the bolt hole. Tech B says that when using a solid sleeve type of insert, the damaged threads need to be drilled out with the correct size drill bit. Who is correct?
A) Tech A
B) Tech B
C) Both A and B
D) Neither A nor B
Correct Answer:

Verified
Correct Answer:
Verified
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