Pretty much impossible to tell from pictures alone. The nuts look thicker than normal, and the threads on the bolts look like they could be coarser than they should be. But it is really not possible to tell from photos alone. Would need to see in person and check thread size of both bolt and nut and take measurements.
Cheers,
Terry
There's some serious corrosion on several of them so i think that they have been in the ground for some tine.
" I'm putting off procrastination until next week "
Ill defer to Terry's expertise because BW also used these type of helmets & these could have been from them.
" I'm putting off procrastination until next week "
Some more Photos, the Silver ones are from FJ-Werke and repro.
Head same size
the screw thread is smaller than FJ-Werke thread
the female screw (is that the right word in english ? cant belive it ^^) is smaler than the FJ-Werke one.
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