Anyone know where I can find 9/16-18 grade 8 bolts which are made in the USA? I found one source but I have to buy a pack of 25. I only need 6. I haven't been able to locate another source with bolts that are definitely made in the USA.


Lawrenceville, GA

Have you tried Fastenal?

Gerald Ingram aka "Gritsngumbo"
Monroe, LA
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what length do you need Carl

How about ARP?

54 Victoria 312;  48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ

Charlie, I can get Doorman's at work or studs if you want that. Grade 8, US. Mummert can get ARP's same deal. 

Frank/Rebop

Bristol, In ( by Elkhart) 

I haven't tried Fastenal. They have the exact length I need, 3 3/4" but indicate "global sourcing" on the site. I can find out if the bolts I need are US made. ARP is nice stuff, but far too expensive for what I'm doing. I want to replace my spring bolts when I take them of to install the traction bars.

I did find some that are made in Canada but 4" long which should work and I can buy 5 at a time. I mostly don't want made in China but made in USA would be awesome.


Lawrenceville, GA

My local Ace hardware has a good selection but I never checked where they were made.

You want a high strength bolt, probably for something that needs it but don't want to get the best???? Go to ARP and don't cheap out. What's it going to cost you - an extra 3-4 dollars???

54 Victoria 312;  48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ

For one thing, I don't believe going with grade 8 is cheaping out. For another, I don't even see the size I need in the ARP catalog or on the summit racing website, so I believe it will be a special order. The last time I tried to special order anything from ARP, the person I needed to talk to was never there and would never call me back so I'm not inclined to try to special order anything from them or call them for info. Third, for price comparison only, 7/16x 4" bolts would cost about $66 to get the quantity I need but I need 9/16 and special order and bigger will be more expensive so I think it's easily going to be at least a $30 difference for a bolt that is not necessary. Correct me if I'm wrong. Is grade 8 not adequate? It certainly seems better than the no grade marking bolts that are sold as actual replacements for the spring bolts.



I'm not having trouble finding bolts locally but the closest I've found is one in a box that lists quite a few countries,including USA (and China) that the bolts may come from. I'm probably going to go with the made in Canada bolts. That way there is no ambiguity and I know it's not China.


Lawrenceville, GA

Id imagine your local NAPA store has the Doormans. Probably check on line if you're still looking. 

Frank/Rebop

Bristol, In ( by Elkhart)