Pedal axle measurement?

Question

Could somebody please tell me what the numbers 19 and 12 mean that are stamped on my pedal axles?
I’m looking to buy new upgraded pedals for my new Scott aspect 940 but need to know the right diameter.
I hear a lot about 9/16 inch and half-inch, so are those numbers 19 and 12 telling me the exact diameter?
As you can tell I’m a bit of a novice any help would be appreciated.

Vladimir F · Answer

You have the normal standard omnipresent pedal type with a 9/16 inch thread. If the size is not specifically indicated, it almost certainly fits. You canfirm it by some crude measurement.
The manufacturer speaks about a 7 mm boron steel axle, but that is hidden inside, it is not the thread diameter.
The number on your pedal might be a date of manufacture or some batch number.

Pedal axle measurement?

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