63 Valiant convertible top bolt.

Wanting the bolt shown here. 63 Valiant Signet 200 convertible, upright bow(?) to car (where you see the grade 8 bolt in the photo). Or if you have a source for such an animal, I'd appreciate it!

Lengths:
Bolt - 1 9/16
Head - 3/16
Collar - 3/8
Thread - 1
Widths:
Head 7/8
Collar - 9/16
Thread - 3/8
24 TPI.
Thanks, Steve

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