Meaning of Markings On Bolt Heads

Thread starter nirtime
Start date Jun 2, 2015

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nirtime

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Jun 2, 2015

Here is a very useful and collective listing of what the markings on SAE bolt heads mean. Bolts can be either SAE or metric.

SAE & ASTM Bolt Grade ID Marks & Properties Reference Table - Engineer's Handbook

This can be very handy when dealing with automotive bolts.

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Meaning of Markings On Bolt Heads

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nirtime

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Meaning of Markings On Bolt Heads

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