Свойства
| Соединение 1 | Метрическая гаечная резьба |
| Модель | Накидная гайка |
| Норма | DIN 3870 |
| Материал | Сталь |
| Защита поверхности | Гальваническое покрытие |
Изделие
| Наименование | Серия | Ø d2 (mm) | G1 | L1 (mm) | S1 |
| TN81-04LL | LL | 4 | M 8 x 1 | 11,5 | 10 |
| TN81-05LL | LL | 5 | M 10 x 1 | 12,0 | 12 |
| TN81-06LL | LL | 6 | M 10 x 1 | 12,0 | 12 |
| TN81-08LL | LL | 8 | M 12 x 1 | 12,5 | 14 |
| TN81-10LL | LL | 10 | M 14 x 1 | 13,5 | 17 |
| TN81-12LL | LL | 12 | M 16 x 1 | 13,5 | 19 |
| TN81-16LL | LL | 16 | M 22 x 1,5 | 17,5 | 27 |
| TN81-04L | L | 6 | M 12 x 1,5 | 15,0 | 14 |
| TN81-06L | L | 8 | M 14 x 1,5 | 15,0 | 17 |
| TN81-08L | L | 10 | M 16 x 1,5 | 16,0 | 19 |
| TN81-10L | L | 12 | M 18 x 1,5 | 16,0 | 22 |
| TN81-13L | L | 15 | M 22 x 1,5 | 17,5 | 27 |
| TN81-16L | L | 18 | M 26 x 1,5 | 18,5 | 32 |
| TN81-20L | L | 22 | M 30 x 2 | 20,5 | 36 |
| TN81-25L | L | 28 | M 36 x 2 | 21,5 | 41 |
| TN81-32L | L | 35 | M 45 x 2 | 24,5 | 50 |
| TN81-40L | L | 42 | M 52 x 2 | 24,5 | 60 |
| TN81-03S | S | 6 | M 14 x 1,5 | 17,0 | 17 |
| TN81-04S | S | 8 | M 16 x 1,5 | 17,0 | 19 |
| TN81-06S | S | 10 | M 18 x 1,5 | 18,0 | 22 |
| TN81-08S | S | 12 | M 20 x 1,5 | 18,0 | 24 |
| TN81-10S | S | 14 | M 22 x 1,5 | 21,0 | 27 |
| TN81-13S | S | 16 | M 24 x 1,5 | 21,0 | 30 |
| TN81-16S | S | 20 | M 30 x 2 | 24,5 | 36 |
| TN81-20 S | S | 25 | M 36 x 2 | 27,5 | 46 |
| TN81-25 S | S | 30 | M 42 x 2 | 29,5 | 50 |
| TN81-32 S | S | 38 | M 52 x 2 | 33,0 | 60 |