Martin H. Eastburn wrote:

Low grade bolts could cost them a lot of money if they are not labeled
correctly or with warnings. Tractors and trucks rely on quality bolts
that don't break or snap apart. Head stamps helps this. But false
stamps are rampant. They even got into the airline industry.


Not at all. Neither the OP or myself said they were labeled improperly.
You can buy low grade bolts anywhere. It would be your choice to do so. My
response was that one would not need to buy large quantities is one bought a
higher grade fastener.

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-Mike-