Bolt identification

[AZlml]

Anyone know what grade or seen this type of bolt? We inherited a ton of these style bolts but they feel too light compared to a grade 5 or 8.

 

[Chevy1925]

Anyone know what grade or seen this type of bolt? We inherited a ton of these style bolts but they feel too light compared to a grade 5 or 8.

Barnes Group version of L9/F911 bolts. those are damn good stuff. Assuming they are not chinese. There has been a rash of those going around and you have to be careful where you buy them from.

 

[AZlml]

These are probably well before the Chinese junk. My uncle worked for some Nascar teams 15-20 years ago, I'm assuming that's where they came from. Good to know they are good stuff! Thanks james

 

[Chevy1925]

no prob! If there is anything you want to bolt down and not worry about the bolt breaking, its those. they are NOT cheap :roflmao:

 

[OregonDMAX]

Good to know, we got a shit load of em

 

[DAVe3283]

Get a graded nut, and torque one to failure in a fixture. Should tell you everything you need to know about it, since it sounds like you can afford to destroy one.