Murray said

You can make your own by flattening out the wire strands and putting a drop of solder on it.

Click to expand...

Dana67Dart said

Here is one source.

Automotive Car Truck Light Bulb Connectors Sockets Wiring Harnesses Receptacles

View attachment 1715882158

Lamp Socket Brass Terminal Contact Replacement Repair Connector

Google images is your friend. Google enough words and look for photos that are what you are looking for.

bulb socket crimp terminals - Google Search

Click to expand...