[beeforpork]

0.8mm is definitely out of USB 3.0 official spec and might damage the plug. The Spec requires 0.7mm with contacts and 0.6mm without, i.e., 0.05mm for the contact. See:

https://www.usb.org/sites/default/files/USB%20Type-C%20Spec%...

Pages 42 and 44.