90Q removing bolt from rear diff mount.

[TWFAUST at aol.com]

In a message dated 3/8/2005 2:14:08 AM Eastern Standard Time, 
j.d.larson at verizon.net writes:

> Tom said:  "Thanks, but I did check. They are grade 8's."
> 
> That "8" 0r "8.8" on the bolt doesn't mean "grade 8".  They're closer to 5s. 
> 
> Metric bolts aren't graded like US hardware.  You need a "10.9" or better in 
> 
> this application.  They should have told you that.  But then, they're 
> typical retail parts counter men, and they probably didn't know that.  BTW, 
> John Deere and Caterpillar dealers are generally great places to buy metric 
> hardware, and I have found the counter men  to be both knowledgeable and 
> helpful.  HTH, John 
> 

Good point. I am familiar with the markings for American bolts, but I have 
never really familiarized myself with metric bolt markings.

Tom Faust