Offshore
- approval according DIN EN 14399-1
- HV nuts (14399-4)
- HR nuts (14399-3)
- HV nuts according DASt021 from M39 to M64
- nuts according ASTM-A-194 / ASME-SA-194
- material test certificate 2.2 / inspection certificate 3.1 or
- individual proofs (inspection certificate 3.2) certified from TÜV or DNV are available