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| | | | Joined: Sep 2014 Posts: 120 'Bolter | | 'Bolter Joined: Sep 2014 Posts: 120 | I've removed several 1/2" national course bolts from the underside of my '51 Chev panel.
The bolt heads show: AT and also AV.
I don't know if they are original factory bolts.
Anyone know what At and AV mean????
If they are at least grade 5 or 8 I would reuse them.
Jerry
Gilbert, AZ.
1 1951 Chev Panel with a 350 small block, automatic tranny.
1 2004 Chev 2500 HD pickup... stock
1 1950 Chev 5 window pickup; 261 c.i. engine, 4 on the floor.
With lots of time and money, any Stovebolt can be restored.
| | | | | Joined: Dec 2001 Posts: 14,522 Moderator: Welcome Centre, Southern Bolters, Legion Hall | | Moderator: Welcome Centre, Southern Bolters, Legion Hall Joined: Dec 2001 Posts: 14,522 |
Last edited by Achipmunk; 04/28/2017 12:22 AM.
| | | | | Joined: Sep 2014 Posts: 120 'Bolter | | 'Bolter Joined: Sep 2014 Posts: 120 | The markings AT on some and AV on others are in big capitol letters and cover the head of the bolt.
Not a big deal....... just curious. Probably will not re-use if in doubt about
the grade of the bolts.
Thanks,
JB
1 1951 Chev Panel with a 350 small block, automatic tranny.
1 2004 Chev 2500 HD pickup... stock
1 1950 Chev 5 window pickup; 261 c.i. engine, 4 on the floor.
With lots of time and money, any Stovebolt can be restored.
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