Quote:
Originally Posted by smiffy6four
make sure to replace them with bolts of the correct hardness; compare the markings on the head of the remaining bolt and be sure to match them. Too soft a bolt could be bad.....  |
Typically the hardness is 8.8, which is kinda like SAE grade 5.
Standard for automotive no need for the superhardness of aircraft bolts.
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Strelnik
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1950 170SD
1951 Citroen 11BN
1953 Citroen 11BNF limo
1953 220a project
1959 180D
1960 190D
1960 Borgward Isabella TS 2dr
1983 240D daily driver
1983 380SL
1990 350SDL daily driver alt
3 x Citroen DS21M, down from 5
3 x Citroen 2CV, down from 6
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