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Registered User
Join Date: Aug 2000
Location: Corpus Christi, TX
Posts: 321
Question bolt head marking? what grade?

Putting the car back together...

I got a couple of bolts with a strange marking on the head.

It looks like... " ll " just two parallel lines. not roman numerals. I have no idea what grade they are.

Any ideas?

1987 944S, needs crank work
1992 Jeep Sahara YJ 4.0
2001 Harley FXST
1981 VW Rabbit diesel
1984 Isuzu P'up diesel
Old 11-21-2003, 10:17 AM
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Location: Palm Bay, Florida
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Probably a grade 2. Don't use use these in a high stress application. Body parts, etc. OK.

3 dashes a grade 5, 6 dashes or a triangle grade 8.

P cars should have din rated hardware with the grading stamped on them ie:8.8,9.8,10.9 etc.

'83 944 "Guards Red"
New Everything (seems like)
16" 968 Wheels
has never left garage (yet)
Old 11-21-2003, 03:22 PM
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