best spring terminals for AWG30 wires
None of them are rated for AWG30, so you are just asking for trouble. Pressure may be too low or it may cut the wire. 

Wurth has some that are actually rated for the wire size you have: 





I would test them carefully in simulated or real use conditions. In most cases AWG30 is too fine for reliable field connections of individual wires. In high vibration environments AWG20 is about the limit, and even in more benign environments AWG24 or 28 would be much, much better.