Repair of Damaged or Worn Threads
STANDARD PROCEDURE - REPAIR DAMAGED OR WORN THREADSCAUTION: Be sure that the tapped holes maintain the original center line.
Damaged or worn threads can be repaired. Essentially, this repair consists of:
^ drilling out worn or damaged threads.
^ tapping the hole with a special Heli-Coil tap, or equivalent.
^ installing an insert into the tapped hole to bring the hole back to its original thread size.