BOLTING DESIGNED TO LAST

Infrastructure investments with high life expectancy rely on safe and durable bolting. We are industry leaders in secure bolting, providing you with the engineering skills and solutions needed to secure innovative solutions in construction design.

CE MARKING

Our securing washers are the industry’s only CE-marked alternatives, making for easier compliance and quality guarantees.

DYNAMIC LOAD RESILIENCE

Our washer maintains the integrity of structural connections even under challenging dynamic loads from earthquakes or severe vibrations.

UNMATCHED VERSATILITY

Our securing washers fit applications across the entire steel construction spectrum in Europe, from high-strength HV or standard SB bolting assemblies.

Applications

Cranes and crane structure Secure crane components to prevent loosening and ensure operational safety.

Conveyor technology Prevent bolts from loosening under vibration in conveyor systems for reliable and continuous operation.

Noise barriers Stabilize structural joints in noise barriers under wind loads and vibration to ensure durability and performance.

Leading the way with CE-marked securing washers

High performance and dedication to safety are in our DNA. The fact that we are the only company to offer CE marked securing washers is proof.

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EXPERT INSIGHTS

DURABLE BOLTED JOINTS IN STEEL CONSTRUCTION

There's plenty that goes into finding the best solutions for and securing critical bolted connections, not least in steel construction.

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UNMATCHED PERFORMANCE IN THE JUNKER TEST

The most severe vibration test for bolted joints, The Junker test*, compares different securing methods under transverse displacements while continuously measuring the clamping force between the structural parts. The preload is crucial to hold the parts together and prevent loosening - otherwise, the bolted joint would fail.

* According to DIN 65 151

WHITEPAPER: BRIDGE DESIGN, CONSTRUCTION AND MAINTENANCE

In Europe, many bridges are part of an aging infrastructure built in the mid-20th century. As a result, existing bridges must be maintained, and new ones built to accommodate increasing traffic. Critical considerations influencing the choice of joining methods when building and maintaining bridges are history, regional preferences, and bridge type.

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Why Nord-Lock washers

10 reasons that speak for Nord-Lock

Dynamiske belastninger: Vekslende eller sjokkbelastninger, vibrasjon, temperatur

Standarder anbefaler eller foreskriver låseelementer

Forspenning alene er ingen garanti for tilstrekkelig låsefunksjon

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

Customer Cases Nord-Lock secures roof at Westfield Hamburg Überseequartier The hollow-section roof construction over Westfield Hamburg Überseequartier presented numerous engineering challenges. In the end, Nord-Lock wedge-locking washers were the optimal solution to overcome the toughest one. Les mer

Customer Cases Secure machinery for the toughest forestry harvesting Find out how this global supplier of forestry grapple harvesters builds robust and flexible machinery that will survive even the toughest of forest harvesting. Les mer

Customer Cases Taking a weight off your shoulders Braving the elements and getting close to Nature can be an enlightening experience, especially for children. But proper planning is crucial. Les mer

Customer Cases Securing Bolts in Outer Space The upper atmosphere can be tough on equipment. Developing a rocket engine for this environment is a huge challenge. If there are complications in the process, the engine and its associated parts might be damaged. Les mer

Customer Cases Ensuring Safety in Car Racing The Korean Formula Student Competition (KSAE) allows engineering students to design and race their own cars - putting their engineering skills to the test in a real-life environment. Les mer

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. Les mer

Customer Cases Ultimate utfordringer i Antarktis Klimaet i Antarktis stiller svært høye krav til utstyr og dette gjelder selvfølgelig også bolteforbindelsene som holder disse sammen. På den norske forskningsstasjonen "Troll" måtte de ta ekstra hensyn. Les mer

Customer Cases When the going gets tough Off-road vehicles are built to handle what would break most cars and trucks. Whether driving through mud or racing up a mountainside, these vehicles need state-of-the-art technology to stay in top condition. Les mer

Customer Cases Pushing the boundaries of express trains The central Japan railway Company (JR Central) operates the Shinkansen superexpress bullet trains that connect Tokyo and Osaka – Japan’s two biggest cities. Les mer

Customer Cases Customized washers keep KTM motorcycles in the race | Nord-Lock Group Pick any of the world’s most exciting motor races and you will find the orange motorcycles by KTM, Europe’s largest manufacturer, among the top contenders. Les mer

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® ORIGINAL SKIVER Opplev sikre skrueforbindelser med Nord-Lock originalskiver. Sikrer bolteforbindelser, selv når de utsettes for kraftige vibrasjoner og dynamiske belastninger. NORD-LOCK® ORIGINAL SKIVER

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-SERIES SKIVER Sikre boltene dine med Nord-Lock X-series skiver, som forhindrer både spontan løsning og slakking av bolter ved hjelp av en unik multifunksjonell design. Les mer

Nord-Lock Group NORD-LOCK® STÅLKONSTRUKSJONSSKIVER Opplev sikre bolteforbindelser i stålkonstruksjoner. Bruk Nord-Lock stålkonstruksjonsskiver, designet for bruk i stålkonstruksjoner. Les mer

Ensuring industrial lifelines

"With preloaded bolts, we need to ensure that they don’t lose the preload. A perfect way to do this is to use Nord-Lock wedge-locking washers. But regrettably, I receive almost daily proposed solutions with lock nuts or pall nuts, which are entirely unsuitable. This is because many construction engineers are not familiar with dynamic load."

- Chistoph Seeßleberg

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