integy pro nuts have a rubber o-ring inside that helps to keep the nut tight. never had any issues with it. now with all my truck using 17mm nuts i just use purple (weak) threadlock
Radek
V4 D8 - RX8, XERUN 4168SD
F1-09 - Tekin RS Pro, 17.5t Redline, 2S LiPo
Sakura Zero S - LRP, Saturn 20T, 2S LiPo
*EX-10 Eurus*