'71 Road Runner Fender to Cowl Brace

[ct71rr]

Hello all, does anyone happen to know what bolt is used to attach the fender to cowl brace to the cowl? Is it a self-tapper or bolt and nut or something else? It's the bolt circled in red.

This is the brace:

This is the bolt:

 

[70chall440]

I believe they are 5/16-18 dog point with captured washer (aka 5/16 body bolts). You can usually find them in the help section

Amazon.com: (25) 5/16 18 x 1 3/16" Body Bolts 1/2" Hex 7/8" Washer : Industrial & Scientific