TENSIONING PRODUCTS FROM NORD-LOCK GROUP
The choice is in your hands. Our experienced engineers work with you to determine the best solution for your application, whether your tensioners are hydraulic or mechanical, standardized or customized.
TENSIONING FOR ANY APPLICATION
Hydraulic and mechanical tensioning for the most demanding applications, even in the harshest environments, all over the world
SIMPLE TOOLS, SUPER RESULTS
Superbolt® multi-jackbolt tensioners use mechanical tensioning to break down high preload requirements into lighter torque values. With this masterfully simple design, everyday hand tools suffice to overcome any bolting challenge.
THE FAST TRACK TO ACCURATE TENSIONING
Hydraulic tensioning that combines speed and accuracy for your preload requirements. With Boltight®, multiple tensioners operate in unison, resulting in faster operations while ensuring even preload.
DESIGNED TO YOUR SPECIFICATION
We offer the most comprehensive range of both hydraulic and mechanical tensioners on the market, engineered for the highest preload, the largest sizes, or the toughest environmental challenges.

QUALITY
Whatever the size, location, preload requirements, or application - our industry-leading tensioning technologies secure any bolted joint. With self-imposed quality standards above industry recommendations, which our tensioners get measured against in rigorous testing, you won’t find safer, more reliable tensioning.
EXPERTISE
Decades of experience have gotten us to the top of the tensioning industry. Our experts bring practicality and a can-do mentality to conquer real-world bolting challenges, from outer space to subsea. Count on our knowledge in every step of your journey, across installation, maintenance, and after-market support.
AVAILABILITY
Our products are being strategically stocked across the globe to offer our customers a seamless and fast experience. Receive direct support to optimize your delivery to suit your production timelines. Expect unmatched lead time on off-the-shelf products and customized solutions, anywhere in the world.

Call on the power of tensioning where simple hand tools suffice to achieve the highest preloads necessary in critical bolted joints, even in the harshest environments or tightest spaces.
We are the best in industry for lead time on custom engineered solutions, such as unique dimensions, materials, or use cases. Whatever your application, we work there with you.
BOLTED INSIGHTS
Count on our knowledge in every step of your journey, across installation, maintenance, and after-market support.

The Reciprocating Compressor - An Oil & Gas Workhorse
Kobe Steel uses Nord-Lock washers as well as Superbolt and Boltight series products to build secure compressors

Multiple Nord-Lock Group Technologies Put an End to Common Joint Leaks
Nord-Lock Group R&D efforts solve 20-year gas turbine leak issue with an innovative combination of bolting technologies

Comparison of Common Bolt Tightening Methods
Tightening methods can be categorized according to the principle of how the preload is generated. The 2 basic principles are rotational tightening and tensioning.

Superbolt’s Culture of Innovation and All Eyes On Smart Bolting
From an industrial fix to a global brand synonymous with multi-jackbolt tensioning, and now predictive maintenance with digital bolting.