NORD-LOCK serrated lock washers
| Manufacturer | BOSSARD |
| Type of spacer | washer |
| Manufacturer series | NORD-LOCK |
| Material | hardened steel |
| Plating material | zinc |
| Kind of washer | internally serrated, externally serrated |
| BN standard | BN 65212 |
| Symbol | Manufacturer's part number | Thread | Internal diameter | Outside diameter | Height |
|---|---|---|---|---|---|
| [mm] | [mm] | [mm] | |||
| B3/7/BN65212 | 3538917 | M3 | 3.4 | 7 | 1.8 |
| B3.5/9/BN65212 | 3539045 | M3,5 | 3.9 | 9 | 1.8 |
| B4/7.6/BN65212 | 3220542 | M4 | 4.4 | 7.6 | 1.8 |
| B4/9/BN65212 | 3539055 | M4 | 4.4 | 9 | 1.8 |
| B5/9/BN65212 | 3220543 | M5 | 5.4 | 9 | 1.8 |
| B5/10.8/BN65212 | 3539057 | M5 | 5.4 | 10.8 | 1.8 |
| B6/10.8/BN65212 | 5523982 | M6 | 6.5 | 10.8 | 1.8 |
| B6/13.5/BN65212 | 3539058 | M6 | 6.5 | 13.5 | 1.8 |
| B8/13.5/BN65212 | 5518313 | M8 | 8.7 | 13.5 | 2.5 |
| B8/16.6/BN65212 | 3539060 | M8 | 8.7 | 16.6 | 2.5 |
| B10/16.6/BN65212 | 5518314 | M10 | 10.7 | 16.6 | 2.5 |
| B10/21/BN65212 | 3539061 | M10 | 10.7 | 21 | 2.5 |
| B11/18.5/BN65212 | 3542262 | M11 | 11.4 | 18.5 | 2.5 |
| B12/19.5/BN65212 | 5518312 | M12 | 13 | 19.5 | 2.5 |
| B12/25.4/BN65212 | 3539063 | M12 | 13 | 25.4 | 2.5 |
| B14/23/BN65212 | 5518315 | M14 | 15.2 | 23 | 3.4 |
| B14/30.7/BN65212 | 3539065 | M14 | 15.2 | 30.7 | 3.4 |
| B16/25.4/BN65212 | 5518316 | M16 | 17 | 25.4 | 3.4 |
| B16/30.7/BN65212 | 3539068 | M16 | 17 | 30.7 | 3.4 |
| B18/29/BN65212 | 3538919 | M18 | 19.5 | 29 | 3.4 |
| B18/34.5/BN65212 | 3539071 | M18 | 19.5 | 34.5 | 3.4 |
| B20/30.7/BN65212 | 5518318 | M20 | 21.4 | 30.7 | 3.4 |
| B20/39/BN65212 | 3539074 | M20 | 21.4 | 39 | 3.4 |
