Originally Posted by
Clarence Martinn
I'm slowly (VERY slowly) starting to make the mental comparisons from metric to imperial. But it's not just that. For instance, when buying plywood we find 1/4", 1/2" & 3/4", though they are all "undersized", none of which match common metric dimensions. I used a caliper to check and I'm getting 5.5mm, 11mm and 18mm.
So if I want to buy router bits for creating dados, I can only use "undersized" imperial bits. Even if we make the transition, we still have to contend with things like that.
In other words - it's good to be old.
“Travel is fatal to prejudice, bigotry, and narrow-mindedness..." - Mark Twain