Subsea hydraulic bolt tensioner
max. 3 1/2" | Octopus series
Bolttech
Manufactured from high-strength corrosion-resistant stainless steel
Fluorescent anti-slip gripping surface
Compact design
Quick-release reaction nut with spherical interface
Dual hydraulic ports
30mm stroke
Lifting strap
100% water based-system, no hydraulic oil!
The quick-release reaction nut allows for quick and easy removal and installation to long bolts and damaged threads.
With the introduction of our exclusive water-based system, Bolttech is the first company to deliver Green Bolting Technology to this environmentally sensitive market.








