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#4 |
Senior Member
Join Date: Sep 2007
Location: Henderson, NV
Posts: 583
Likes: 8
Liked 54 Times in 27 Posts
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If so, it should be high grade, maybe 12.9. In the "old days" 7/16 x20 or 1/2 x13 were used, which would cross to M12 being more likely.
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