Bolt Heat Lot

[Redleg]

What would be the correct bolt heat lot #, for a -12 bolt, in a late May '43 SA #1616200 serial range?

Is there a "sticky" for the -2 and -12 bolts to answer future questions?

thanks in advance guys.

Information

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[Badger]

Do these help?

Regards,
Badger

[Redleg]

Yep! Narrows it down a bit from Duff's book. I guess I can't go too far wrong with a S04 or a B8.
Thanks!

[paul v]

Also RE6B would be correct. Paul