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Originally Posted by Gilles
Q: how deep you drilled the holes for the helicoils..?
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i had two bolts that actually came out okay, so i measured the depth of the holes & tried to match that with my drilling. i believe it was like 31mm.
when drilling through the bolts, it's easy to notice when you're at the bottom. there is a gap between the end of the fastener & the bottom of the tapped hole; you can feel when the drill goes through the last of the steel. still, though, better safe than sorry!