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Old 01-20-2018, 10:03 AM   #1013 (permalink)
MadSciSnails
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Quote:
Originally Posted by BoneZ View Post
I'll get new ones. I see a 6 on the bolt head. Are these hardened? I know usually the hardened bolts have lines on them.
Metric fastener grading is a little different. 5.6, 8.8, etc. I'm not certain about this specific bolt, but I'd suspect it would be case hardened.

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