Earth bosses are used for equipotential bonding which is the process of connecting different metal parts of structures together in such ways that they are at the same electrical potential.
| D mm | L mm | Thread Size |
|---|---|---|
| 25 | 25 | M8 |
| 30 | 30 | M8 |
| 30 | 30 | M10 |
| 30 | 40 | M10 |
| 30 | 40 | M12 |
| 30 | 50 | M10 |
| 30 | 50 | M12 |
| 40 | 30 | M8 |
| 40 | 30 | M10 |
| 40 | 40 | M10 |
| 40 | 50 | M10 |
| 40 | 50 | M12 |
| 50 | 30 | M8 |
| 50 | 30 | M10 |
| 50 | 40 | M10 |
| 50 | 40 | M12 |
| 50 | 50 | M10 |
| 50 | 50 | M12 |