| quote | Originally posted by Mark_j: M10x1 5x85 10 9 POR PN 11504598 |
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The 10 9 part of that is Metric Class 10
.9, equiv to SAE Grade 8, and Nut should be and maybe washers the same hardness.
"Standard" soft bolts can/will fail and get loose at minimum causing major problems like breaking the exhaust and intake parts because allow too much engine movement.
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Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
(Jurassic Park)
The Ogre's Fiero Cave