Arduino Uno Connectors
Through-Board Connectors
For use in various HATs

Samtec
| Plating (Contact / Tail) | Pins | Reference # |
|---|---|---|
| 20µ” Gold / Gold flash | 6 | SSQ-106-03-G-S (Samtec), C3323798 (LCSC, JLCPCB) |
| 20µ” Gold / Gold flash | 8 | SSQ-108-03-G-S (Samtec), C7321033 (LCSC, JLCPCB) |
| 20µ” Gold / Gold flash | 10 | SSQ-110-03-G-S (Samtec), C6824956 (LCSC, JLCPCB) |
| 20µ” Gold / Gold flash | 2x3 | SSQ-103-03-G-D (Samtec), C7320837 (LCSC, JLCPCB) |
| 10µ” Gold / Matte Tin | 6 | SSQ-106-03-L-S (Samtec), C5760521 (LCSC, JLCPCB) |
| 10µ” Gold / Matte Tin | 8 | SSQ-108-03-L-S (Samtec), C5760563 (LCSC, JLCPCB) |
| 10µ” Gold / Matte Tin | 10 | SSQ-110-03-L-S (Samtec), C6496464 (LCSC, JLCPCB) |
| 10µ” Gold / Matte Tin | 2x3 | SSQ-103-03-L-D (Samtec), C5930582 (LCSC, JLCPCB) |
| Gold flash / Matte Tin | 6 | SSQ-106-03-F-S (Samtec), C6497382 (LCSC, JLCPCB) |
| Gold flash / Matte Tin | 8 | SSQ-108-03-F-S (Samtec), C3323459 (LCSC, JLCPCB) |
| Gold flash / Matte Tin | 10 | SSQ-110-03-F-S (Samtec), C3323418 (LCSC, JLCPCB) |
| Gold flash / Matte Tin | 2x3 | SSQ-103-03-F-D (Samtec), C6824784 (LCSC, JLCPCB) |
| Matte Tin / Matte Tin | 6 | SSQ-106-03-T-S (Samtec), C5930660 (LCSC, JLCPCB) |
| Matte Tin / Matte Tin | 8 | SSQ-108-03-T-S (Samtec), C3323936 (LCSC, JLCPCB) |
| Matte Tin / Matte Tin | 10 | SSQ-110-03-T-S (Samtec), C3322872 (LCSC, JLCPCB) |
| Matte Tin / Matte Tin | 2x3 | SSQ-103-03-T-D (Samtec), C3323194 (LCSC, JLCPCB) |
You need 4 connectors by board: 1 x SSQ-106-03-*-S, 1 x SSQ-110-03-*-S & 2 x SSQ-108-03-*-S. The 1 x SSQ-103-03-*-D (SPI / Programming connector is optional)
Adafruit

Thanks to Adafruit, you can find a single package containing all the necessary connectors for less than $2: