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mjf454
post Jan 13 2005, 12:27 AM
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Are there different grades of metric bolts? I need longer spindle bolts, and I want the right strength bolt.
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robz71lm7
post Jan 14 2005, 02:20 PM
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QUOTE (35th_Anniversary_AS_Camaro_SS @ Jan 13 2005, 11:09 PM)
QUOTE (robz71lm7 @ Jan 13 2005, 06:28 PM)
So should I be afraid that home depot (hillman brand) grade 8 bolts hold in my lap belts?

Thing I would be worried about from Home depot is source of said bolts.

Chinese steel = crap

Also, if you can find them, "rolled" threads are much preferred over your normal cut threads. Grade X is just specifying the ultimate strangth of the bolt.

I thought as long as they met specs they would've been ok, guess I'll switch bolts. I am aware of proper preload however and put them on with loctite and used the torque chart for lubed grade 8 fasteners with the same dia and pitch.

Loctite has the same effect as a light oil on torque values correct?

Thanks.
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Posts in this topic
mjf454   Metric bolt question   Jan 13 2005, 12:27 AM
sgarnett   Yes, there are different grades: I think Metric P...   Jan 13 2005, 12:44 AM
rmackintosh   oh YES THERE IS...ask me how I know.... G...   Jan 13 2005, 12:48 AM
mjf454   Thank you. The stock one says 10.9 on it, the chea...   Jan 13 2005, 12:48 AM
rmackintosh   8.8 = baaaaaad!   Jan 13 2005, 12:50 AM
mjf454   Wow I type slow. Randy, that looks like hell I al...   Jan 13 2005, 12:52 AM
mitchntx   That must be a heavy hopped lager ale if it shatte...   Jan 13 2005, 01:37 AM
mjf454   QUOTE (rmackintosh @ Jan 12 2005, 04:48 PM) I...   Jan 13 2005, 02:53 AM
Curmudgeon   Note there is counterfeit hardware out there posin...   Jan 13 2005, 04:27 PM
mjf454   Thanks for the links. I ran all over town today lo...   Jan 13 2005, 11:32 PM
robz71lm7   QUOTE (Curmudgeon @ Jan 13 2005, 11:27 AM)Not...   Jan 14 2005, 12:28 AM
35th_Anniversary_AS_Camaro_SS   QUOTE (robz71lm7 @ Jan 13 2005, 06:28 PM)So s...   Jan 14 2005, 04:09 AM
rmackintosh   QUOTE (35th_Anniversary_AS_Camaro_SS @ Jan 13...   Jan 14 2005, 06:34 AM
robz71lm7   QUOTE (35th_Anniversary_AS_Camaro_SS @ Jan 13...   Jan 14 2005, 02:20 PM
Curmudgeon   Part of the below statement is from: http://www.c...   Jan 14 2005, 06:36 PM
Jon A   QUOTE (rmackintosh @ Jan 13 2005, 10:34 PM)I ...   Jan 14 2005, 06:59 PM
slowTA   Since we're talking about bolts... I saw a web...   Jan 15 2005, 07:38 PM
35th_Anniversary_AS_Camaro_SS   Never heard of different kinds of taps. Typicall t...   Jan 16 2005, 01:57 AM
slowTA   Somehow I found the link. They're saying that...   Jan 16 2005, 02:19 AM
94bird   I took a SAE fastener class last year and we got a...   Jan 17 2005, 01:47 AM

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