TAKE IT TO THE LIMIT

Wind, water, or nuclear – regardless of source, power generation brings operating challenges such as extreme temperatures and severe vibrations. Stay on track and avoid costly downtime by safeguarding mechanical integrity with industry-leading bolting solutions.

NO MORE LOOSE BOLTS

The wedge-locking effect of our washers effectively prevents bolts from loosening when up against vibrations or dynamic loads.

SIMPLE AND EASY TO USE

No need for special tools or tightening methods – simply fit a pair of washers under the bolt head to reap the benefits of the industry’s leading bolting solution.

PROVEN OVER DECADES

Since 1982, industries all over the world have trusted our wedge-locking washers to keep their applications and people safe.

Applications

Gas & steam turbine Ensure safe bolted connections under high temperature and pressure conditions.

Hydro Stabilize critical bolted connections under high water pressure and dynamic loads.

Wind Provide reliable bolted connections for turbine stability under constant wind loads.

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UNPARALLELED SAFETY PERFORMANCE ON DISPLAY

The junker test is the most rigorous, demanding method for testing the effectiveness of various ways of securing bolted joints. This video of the testing in action shows how our wedge-locking technology outperforms the competition.

SAFE BOLTED JOINT DESIGN

This white paper takes on a holistic approach and examine the role bolted connections play in today’s industries, the potential failures caused by design, installation and environmental factors and best practices to ensure safe bolted connections that do not fail in critical applications.

Why Nord-Lock washers

10 reasons that speak for Nord-Lock

Dynamische belastingen: wissel- of schokbelastingen, trillingen, temperatuur

Normen adviseren of eisen borgmiddelen

Voorspanning alleen is geen garantie voor voldoende borging

Tested and certified

AN APPROVED SOLUTION

The Nord-Lock washer is a premium product with documented success in many industries.

Our products are approved by several industry standards and specified by numerous international companies.

Customer success stories

People Providing an antidote to disaster Philippe Nouaille is responsible for overseeing how nuclear plants could be better secured against earthquakes – the natural disaster which gives nuclear engineers their biggest headaches. Read more

Customer Cases A Wind-Win Situation Wind turbine towers are designed to flex and bend, which helps them dissipate the significant forces being exerted upon them. However, this had been causing dangerous failures in the bolts. Read more

Customer Cases Eliminating bolt loosening for good At power plants across the world, gas turbines are becoming increasingly vital to the world’s power supplies. Mitsubishi Heavy Industries currently manufacture ultra-large gas turbines, which are more than six metres tall and over 16 metres long. Read more

Customer Cases The power of the sun: transformed by Siemens turbines Assembling an industrial-sized turbine requires acres of room. It also requires thousands of bolts and washers to be assembled and tightened to guarantee a service life of the product, which in the solar energy, biomass, oil and gas sectors, is typically upwards of 30 years. Read more

NORD-LOCK PRODUCT RANGE

For any industry or application where safe, reliable bolting is critical.

Nord-Lock wedge-locking washers prevent bolt loosening

Nord-Lock Group NORD-LOCK® ORIGINELE BORGRINGEN Wigborging voor boutverbindingen die worden blootgesteld aan extreme trillingen en dynamische belastingen. Read more

Nord-Lock X-series washer combines wedge-locking with an exceptional spring effect to secure against multiple bolt loosening factors

Nord-Lock Group Nord-Lock® X serie borgringen Zet je bouten vast met Nord-Lock® borgringen uit de X-reeks. Ze voorkomen zowel spontaan loskomen als verslappen van bouten door gebruik te maken van een uniek multifunctioneel ontwerp. Read more

Nord-Lock Group NORD-LOCK® STAALBOUW BORGRINGEN Optimaal contact tussen bouten en sluitringen die worden gebruikt in staalconstructies, inclusief HV- en HR-sets. Read more

Once tightened the bolt will hold

“Nord-Lock is one of our solutions to avoid loose bolts and we turned to it after doing a technical and business report. We’d had an incident when a bolt had been poorly tightened and it took engineers 10 weeks to verify all the other bolts. You can imagine the waste of time and money! With Nord-Lock we can be certain that once tightened the bolt will hold. Don’t forget we are working in a nuclear power plant not a supermarket and cannot afford to make the slightest mistake!”

- Philippe Nouaille