Bolt grades

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Wentzel
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Bolt grades

Post by Wentzel »

Hi, I need some advice please. I have 2 sets of bolts for a wbx flywheel. One is std 20.9 grade cap screws the 2nd is bolts with a marking of b100 (imperial grade I think). Can someone enlighten me on the strength of the b100 bolts? I found on google that it is the hardness of the steel but I have no idea how it compares to 10.9 or 12.9 grade. I went looking for some 12.9 grade cap screws at a bolt and nut shop but they don't stock the threads I need in 12.9.

Thanks


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Re: Bolt grades

Post by retrovan »

Maybe this will help a bit.

https://www.boltdepot.com/fastener-info ... chart.aspx

Do not know about b100 markings, so can not helpthere.

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Re: Bolt grades

Post by Terry Phillips »

Phone Reliable Bolt and Nut Edenvale sorry no number but a huge range.
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Re: Bolt grades

Post by Wentzel »

Thank you I will give it a try.
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