I do not think the tamiya came that way but I think there are some that are..a tamiya lunch box rim would go on what tamiya had for them it was not a hex.....I'll take your rims I remachine them...(if they don't have the holes in them) their holes are where I want to put my holes so..... i do not use that hex deal.......... on tlt's I do though......never seen a hex lunchbox rim l yet so... got to be out there 1.9 hex rim rc4wd?
The Tamiya Wild Willy 2 rear wheels are identical to the Lunch Box, but they have the 12mm hex drive. They are chrome though, not yellow. I don't recall seeing a yellow version of this wheel with the hex drive.
those wild willy wheels would go on this hub...it comes 6mm but chuck it up and put a 1/4 drill thru there ...(if you are using 1/4 axles) nobody use 6mm that i know of.....anyways 12mm hubs for scratch built whatever