Nuts and bolts. SAE, Metric, or both
I been wrenching on vehicles all my life. It use to be only SAE, then it became a mix of SAE and Metric. I thought they we're going to phase out SAE and go all metric at some point, but it seems like ...
Forum Discussion
time2roll wrote:
What bugs me is the imports long used 10, 12, 14, 17mm wrenches and the US factories went metric with 9, 11, 13, 15, 19 mm. Seems like a conspiracy of the tool makers. So it is like we need three sets now.
what I've found is many japanese cars use the 10/12,14 etc. while the european cars use the 9, 11,13, 15, etc.
in the 60's it was even worse. the japanese metric thread pitches didn't always match european metric thread pitch. now at least there are only two thread pitches/size similar to the SAE Fine and course system.
