Originally Posted by slowpoke96z28
Boosted, that's what I saw somewhere that other guys have done. I'm guessing now the parts makers are machining the spacers to also be the SAE to metric "adapter" as well. I know that in the pro mod world, there are NAS bolts designed to be extra strong in the shear load vector that are solid with no threads until the very end for the washer and nut. Thinking about going that route.
I just remembered I bought correct SAE grade 9 yellow zinc - not 8.8. I forget whats equivalent to metric 8.8-10.9. Grade 9 is strong enough, and fastenal sells them online for a steal. They have shouldered versions.