Which size allen key bolt do I need?

[JohnD]

I also own old tools.

But there are only three countries in the world not using metric.

 

[Elsa TLC]

I also own old tools.

But there are only three countries in the world not using metric.

The Candians all be it are metric , still use imperial.

You will be surprised how much crosses the Canadian border with America.


I was just chucking it out there as a possibility..

Bear in mind that imperial is still used in manufacturing.

 

[scbk]

Im only saying that when I worked in Canada I had an imperial Allen key set. I have this same set till this day.

It has on more than one occasion got me out of trouble.

Might asswell continue this thread derail!

The OP was after the fixing, not the tool.
I used to have an imperial hex key set, dunno where it went, it must be kicking around somewhere!


I recently got a good 2nd hand deep cycle battery with bolt down terminals. It was missing it's bolts, and to my horror they were imperial threads on the battery case! (it was an american battery)
Bit of a faff to measure the threads, but thankfully a local fixings supplier still keeps a small selection of imperial bolts in stock so I was able to get some at a good price.

The OP says they don't have shops that sell bolts near them. Thankfully in a backwater like the Highlands, there's plenty of places to get metric fixings of all shapes and sizes