Tech a Says That When Using a Heli-Coil to Repair

question 7

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

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Definitions:

Standard Overhead Rate

A predetermined rate applied to estimate the cost of a product’s indirect expenses such as manufacturing or production overheads.