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旧 2009-09-08, 10:46 PM   #1
huangyhg
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默认 equivalent bolts

equivalent bolts
what are the equivalent american bolts for metric strength classifications 4.8 and 12.9?
you can probably convert based on the table strengths given here
12.9 is greater then a gr 8
4.8 is between gr 1 to gr 2
chris
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