Quote:
Originally Posted by Jerry Clayton
Bolt head marking looks like a metric bolt rating======and a 12mm will screw into a 1/2 13 hole
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They do look like they have metric markings in the fuzzy picture. I'll take a look at them when I get home. Any port in the storm though...
They bit and held that 10 lbft, so the threads (pitch, per inch and diameter) must have been pretty darn close.