Apparently a 3/8" bolt is now a 9.2mm bolt, according to Zenith Hardware!
Yes it measures 3/8" dia.
Yes it measures 3/8" dia.
I can only think of printing the plans at a scale that works and post him an old scale rule. I used to do engineering geology mapping at 40 feet to the inch as a student.We recently had a client who was buying an apartment off the plan and he requested we do him a set of drawings in imperial measurements so he could relate better. To convert a full working set of 450ish drawings from metric to imperial for one client was a big ask. Request denied .
Yes Kids it's been 50 years, get with it.
I can quite understand that! Probably the best approach for him at the time.For the last 10 years of his career my father valued the Melbourne city skyscrapers using the imperial measures he has used all his life and converted to metric only at the very end of the calculations.
Roger
Interesting. That set of things is why our deck wall is set back 2400 mm from the parapet wall. It's 8 feet of course.... SI units are a hard master in a way - the cm is a useful unit but not SI, so we have mm and m........We didn't always hard convert Ken, with a few troublesome exceptions. It would have been disastrous if nothing fitted anymore. The Europeans did not hard convert many things either, and your tradesmens' comments weren't really justified
We adopted the SI system, which was not used in Europe.
There was a call by very loud voices for hard conversion, but practicality prevailed. Tiles are the obvious building component to actually change, though metric sizes in new things like universal steel sections have occurred. Timber sizes are before sawing or dressing and whether you say 4x2 or 100x50 is not important - both are nominal
In Europe nominal metric dimensions abound for things that never changed. BS in a metric disguise still applies to European pipework for example. A 2 inch pipe is not exactly that in diameter, and a Euro 50 mm one isn't either. Both are nominal.
Bricks vary by country or even region, but have remained trad sized. If you look at French or German detailed drawings you will see odd metric dimensions that are disguised traditional. like multiples of 25.4.
Europeans didn't make our troffer light fitting mistake. In a drive to make everything metric modular, ceiling tiles and their framing shrank from 1 foot to 300 mm. However the international (including Euro) standard for fluorescent tubes remained at 4 feet over all. The troffers had to redesigned with an overhang, and can no longer be butted.
Metric modular clay bricks were used quite a bit in the 70s. You don't see them much now. Their main benefit is visual.