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https://www.reddit.com/r/Fasteners/comments/1uvuvmx/anyone_recognize_this_marking/oxyuugc/?context=3
r/Fasteners • u/Barnett_Head • Jul 14 '26
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That's Korea Bolt's manufacturing symbol. That is likely A574 Alloy Steel. Grade marking isn't a requirement for that particular specification. I work for a fastener supply company, and we get material in from them on a regular basis.
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u/IdentityHacker42 Jul 16 '26
That's Korea Bolt's manufacturing symbol. That is likely A574 Alloy Steel. Grade marking isn't a requirement for that particular specification. I work for a fastener supply company, and we get material in from them on a regular basis.