www.google.comWe can play this game all month. In fact, we have more than once.
Nobody can answer your questions without details. We can not see what you are working on. If you are going to post a simple request for spare parts, make sure to let us know in great detail (pics included) what you want spare parts for. All locks are not created the same.
Now, take some pics and post them along with the mfg and model number of your locks and specifically what parts you need and someone will be very helpful.