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Nord-Lock Ltd

Joining parts together is one of the most critical steps when delivering a product or system. The Nord-Lock Group is focused on solving the toughest bolting challenges. We offer a unique combination of bolting expertise and a wide product range, including wedge-locking technology and Superbolt tensioners all designed and developed in-house.

Nord-Lock holds decades of documented success in every major industry, including oil and gas, energy, transportation and mining. Our Production System includes rigorous internal testing and full traceability, and our products hold several certificates from independent institutes including ABS, DIBt, DNV and TÜV.

The tools available through Nord-Lock Performance Services add value throughout a project and ensure that your bolting application pays back multiple times. We can also assist you in the design phase with joint simulation and testing. Additionally, we help you ensure successful operations over time with our onsite support and remote product training.

Solutions from the Nord-Lock Group are common throughout every major industry. Nord-Lock solutions are not just ‘problem solvers’, but also a guarantee that new problems will not appear. A solution that is quick to install, provides maximum safety, allows easy maintenance and many more advantages.

Our mission is to safeguard human lives and customer investments by securing the world’s most demanding applications. The Nord-Lock Group looks forward to being your partner in bolting solutions.

To view and download our range of company brochures please CLICK HERE.


Nord-Lock original washers

Nord-Lock washers secure bolted joints with tension instead of friction. It is a high quality product with documented success in many industries worldwide.

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Nord-Lock X-series washers

The Nord-Lock X-series washer is an exceptional new product, giving customers extreme performance and safety, as well as the extra security of never having to risk making the wrong choice. With Nord-Lock X-series, we bring exciting new ideas to the bolt securing field that expand your design possibilities for excellent results.

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Nord-Lock wheel nut

The Nord-Lock wheel nut safely secures wheels on on-road and off-road heavy vehicles by maintaining high clamping force even under extreme operating conditions.

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Nut-style multi-jackbolt tensioners

Superbolt multi-jackbolt tensioners (MJTs) replace existing hex nuts. Only hand tools are required for installation and removal of any size tensioner. Safe, accurate and economical! We have a wide range of standard series, as well as an unlimited capacity to create special designs to meet your unique needs.

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Bolt-style multi-jackbolt tensioners

Bolt style Superbolt multi-jackbolt tensioners (MJTs) replace existing studs or bolts. Ideal for applications with tapped holes, or where threading a stud into a nut would be impractical. The outside diameter is smaller than a nut type tensioner on a stud, allowing MJTs to fit into tighter areas.

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Flexnuts are used in combination with Superbolt tensioners and are designed to flex out at the bottom and flex in toward the top of the nut. This distributes the bolt load along many threads, adds elasticity, and prevents stress concentrations in the first few threads.

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Expansion bolting

Utilizing Superbolt technology, Nord-Lock is able to offer tremendous radial expansion and joint clamping power in one bolting system. The Expansion bolts replace traditional interference or force fit bolts. Radial expansion is critical for rotating couplings or alignment systems that require the bolts to be able to transfer forces in shear.

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Hydraulic Tensioners

Key features and benefits

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