I groaned at this. Purchased a Chinese made lawn mower engine and the bolts for it weren't long enough to mount it in my mower. So, I went looking for longer

I groaned at this. Purchased a Chinese made lawn mower engine and the bolts for it weren't long enough to mount it in my mower. So, I went looking for longer bolts. Turned out that the Chinese bolts weren't Metric or SAE. Totally nonstandard junk.