Need help to find source or alternative to HTD M5 12T 15mm width pulley

Hey guys,
I am building a DIY Joystick project. For that i need a MTD 5M 12 tooth pulley (8mm more) for 15mm width timing belts.
I could find this only on ebay. Ordered but it takes ages for those to arrive and i really want to finish my project.
So could anyone point me into a direction as of where in europe i could order such a thing or anything that could work as a replacement?
I fount A GT5 with 14 teeth. Would that work with the HTD Belt? -> https://www.roboter-bausatz.de/c/3d-...24&f=121%7C229
Whats with the 2 teeth diffrence. Do they make that big of a diffrence? I have aproximately a centimeter of play to tension the belt. Might that work?

Sorry if my questions seem stupid. But i have prettly little knowledge about timingbelts and pulleys op to now.

Thanks in advance!


This is a companion discussion topic for the original entry at https://www.cnczone.com/forums/linear-and-rotary-motion/467365-need-help-find-source-alternative-htd-m5-new-post.html