Would it be M12 X 1.25?
The replacement banjo bolt used in the TRD 7th injector conversion:
http://www.customtacos.com/tech/files/5VZ-SC-7thInjConversion.pdf
... is listed as having this threading.
The replacement banjo bolt used in the TRD 7th injector conversion:
http://www.customtacos.com/tech/files/5VZ-SC-7thInjConversion.pdf
... is listed as having this threading.