Amazon.com: Chanzon Round Pin Header Strip for Arduino Gpio 4 pin x 50pcs Male Headers Pins Straight Single Row Gold Plated Pitch 2.54mm 0.1 inch Breakaway for PCB Connector Raspberry pi Machine
DIP through hole spring loaded pcb pogo pins
Pin header - Wikipedia
Press-Fit PCB Pins for Plated Through Holes - Mill-Max | Mouser
PCB PIN Header Connector - TechTOnions Learn
Pogo Pin in PCB Manufacturing and PCB Assembly | MADPCB