Made from brass or mild steel
Finish: zinc or nickel
Standardized spacer for various connections
Especially suitable for automated assemblies
Also popular are those with flat washers and threaded nuts
| Article number | Colour | A | B | C | D | E | F |
| 309 1011 400 50 |  |
M3 | M3 | 5 | 6 | 3 | 5 |
| 309 1011 411 52 |  |
M3 | M3 | 5 | 6 | 3 | 5 |
| 309 1021 400 50 | |
M3 | 4 NC | 5 | 6 | 3 | 5 |
| 309 1021 411 52 | |
M3 | 4 NC | 5 | 6 | 3 | 5 |
| 309 1031 400 50 | |
4 NC | M3 | 5 | 6 | 3 | 5 |
| 309 1031 411 52 | |
4 NC | M3 | 5 | 6 | 3 | 5 |
| 309 1041 400 50 | |
4 NC | 4 NC | 5 | 6 | 3 | 5 |
| 309 1041 411 52 | |
4 NC | 4 NC | 5 | 6 | 3 | 5 |
| 309 2011 400 50 | |
M3 | M3 | 5 | 8 | 3 | 5 |
| 309 2011 411 52 | |
M3 | M3 | 5 | 8 | 3 | 5 |
| 309 2021 400 50 | |
M3 | 4 NC | 5 | 8 | 3 | 5 |
| 309 2021 411 52 | |
M3 | 4 NC | 5 | 8 | 3 | 5 |
| 309 2031 400 50 | |
4 NC | M3 | 5 | 8 | 3 | 5 |
| 309 2031 411 52 | |
4 NC | M3 | 5 | 8 | 3 | 5 |
| 309 2041 400 50 | |
4 NC | 4 NC | 5 | 8 | 3 | 5 |
| 309 2041 411 52 | |
4 NC | 4 NC | 5 | 8 | 3 | 5 |
| 309 3011 400 50 | |
M3 | M3 | 5 | 12 | 3 | 5 |
| 309 3011 411 52 | |
M3 | M3 | 5 | 12 | 3 | 5 |
| 309 3021 400 50 | |
M3 | 4 NC | 5 | 12 | 3 | 5 |
| 309 3021 411 52 | |
M3 | 4 NC | 5 | 12 | 3 | 5 |
| 309 3041 400 50 | |
4 NC | 4 NC | 5 | 12 | 3 | 5 |
| 309 3041 411 52 | |
4 NC | 4 NC | 5 | 12 | 3 | 5 |