| name of material | technical parameters | certificates /attestations /standards |
| hexagonal bolts ISO4817 | M8 -M16, class 8.8: A2A, | certificate 3.1 according to EN 10204 |
| A2-70 | certificate 3.1 according to EN 10204 | |
| T-bolts | M8 - M16, class 5.8, A2A | PN-75/M-82418 |
| stud bolts DIN 939 | M8 - M24, class 8.8: A2A, A2-70 | certificate 3.1 according to EN 10204 |
| nuts ISO 4032 | M8 - M24, class 8, A2A, A2-70 | certificate 3.1 according to EN 10204 |
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