Unfortunately, I can’t get to the area behind the threads as they are within a steel “box” that’s welded to the side of the frame in the photo. I did stick a bent paper clip in the holes to feel for how much thickness is left of the interior nut. It seemed pretty thick yet, not like the threads...
Thanks for the advice, everyone.
After researching it, I found these m16 to 1/2” thread inserts made of carbon steel:
https://www.ezlok.com/ezlok-insert-550-8.
(I couldn’t find anyone making a 16mm to 14mm version.)
They would allow me to use 1/2” bolts that would fit the normal 14.3mm stock...
Thanks for the info. As far as helicoil, since helicoil is made out of weak stainless steel, wouldn’t it have the potential to have weak threads? Like if I use a grade 10.9 14mm bolt, wouldn’t the stainless steel threads be quite weak in comparison? Maybe those weaker stainless threads could...
Hello,
This question is regarding strength reduction in an upper control arm pivot shaft on a 1996 Nissan Hardbody 4x4. The stock holes in it to mount to the frame are 14.3mm in diameter and the stock bolt size is m14-1.5 I discovered someone had drilled one of the holes out to 16mm to drill...