Ya know, I never noticed. I have a drive by wire throttle body, so I guess I never had a reason to look. I shipped it to you in the same box I got it in, so I know they aren't here. if all else fails at a dealer, there are a variety of threaded inserts available that you can install. Most work like a pop rivet, and swell up as you tighten the bolt. I used them all the time when I was building conversion vans. I even used some on Fred to attach the bracket I made for the MAF to the radiator support.
Some examples:
