- bolts according to ČSN 02 1124 without surface treatment in the sizes according to the table below
- bolts to DIN 787 with surface finish in sizes M6-M42
| Thread D | S | B | K | L |
| M6 | 13 | 18 | 5 | 25, 30, 35, 40 |
| M8 | 15 | 22 | 6 | 30, 35, 40, 45, 50 |
| M10 | 18 | 26 | 7 | 35. 40, 45, 50, 60, 70, 80 |
| M 12 | 22 | 30 | 8 | 40, 45, 50, 60, 70, 80, 90, 100 |
| M 16 | 28 | 38 | 10 | 50, 60, 70, 80, 90, 100, 110, 120 |
| M 20 | 34 | 46 | 14 | 60, 70, 80, 90, 100, 110, 120, 140 |
Without surface treatment.