I see BD has 12.9 too, but thats only in the socket head screws. IDK what grade button and flathead screws are. I know MMC has 10.9 and 8.8 in those styles.
Flatheads and buttonheads come in grade 12.9 too while set screws are grade 14.9.
Castle Neu 1520 on 6S LiPo Powered Gmaxx (Nitro Killer)
Predator with OS .21TM
Supermaxx with Mach .26
Revo with OS .18TZ
Kyosho ST-RR Conversion
Ofna CR with Tekin ESC/Motor (2)