Quote:
Originally Posted by sperry
Metric bolts don't come in "grades".
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Really? The ones in my catalog here at work do.
Class 12.9 - Tensile strength 176,900 psi, no SAE equivalent
Class 10.9 - Tensile strength 150,800 psi, comparable to SAE Grade 8
Class 8.8 - Tensile strength 120,350 psi, comparable to SAE Grade 5