215
found a confusing bolt cleaning my parents' garage
(lemmy.world)
This is for strictly mildly interesting material. If it's too interesting, it doesn't belong. If it's not interesting, it doesn't belong.
This is obviously an objective criteria, so the mods are always right. Or maybe mildly right? Ahh.. what do we know?
Just post some stuff and don't spam.
Could be similar to DIN875 or DIN878, depending on who you ask https://www.scribd.com/document/81939727/Sonderschrauben-fur-den-Maschinenbau
das nenn ich mal vielseitig einsetzbare schrauben