These are the best I an find on the secondary market.
Baomain Blue Female Insulated Spade Wire Connector Electrical Crimp Terminal 16-14 AWG 2.8 x 0.5mm FDD 2-110 Pack of 100 https://www.amazon.com/dp/B01M...24YJFM1MMGD0GNDB7SNE
They fit snug and tight.