posted too soon.
look, think of it like this: any business that takes metal things apart and screws them back together again is going to have taps, because they're likely to strip threads every so often, and they're likely to get customers who have stripped threads themselves. And a place like that is probably is also going to have somebody on duty who, if you ask nicely, will do it for you. If you know how to do it, it's a 1 minute job after you find the right tap.
small engine repair places, bicycle shops, auto repair place, maybe someplace in your high school if you're in HS. If you're in college, there are going to be little workshop/labs where somebody's got what you need.