12Pcs Steel Double-Sided Stud Bolts, 1/2" UNC Thread x35, 193/320 B7, GC / A
These stud bolts have an almost purple-ish tint to them. We aren't certain the reason for it as we didn't get a full spec sheet on these.
They could be coated in a friction stabilizer, ptfe, or something else
More measurements in photos.
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