Wedge-Locking Technology

Nord-Lock Group About Nord-Lock
Nord-Lock created the original wedge-locking technology that secures bolted joints, even when exposed to severe vibration and dynamic loads. It is impossible for our products to loosen unintentionally due to the wedge created underneath the bolt head and nut.
Nord-Lock wedge-locking washers prevent bolt loosening Nord-Lock Washers Wedge-locking security for bolted joints subjected to extreme vibration and dynamic loads Read More
Nord-Lock X-series washer combines wedge-locking with an exceptional spring effect to secure against multiple bolt loosening factors Nord-Lock X-series Washers Maximum security for critical bolted joints exposed to spontaneous bolt loosening and slackening Read More
Nord-Lock steel construction washers are designed for bolted connections in steel structures Nord-Lock Steel Construction Washers Optimal contact between bolts and washers used in steel contruction applications, including HV and HR sets Read More
Combi bolt washers from Nord-Lock are specifically designed to be captivated on a bolt, known as SEMS Nord-Lock Combi Bolt Washers Additional layer of security for applications through permanent attachment to bolt (SEMS) Read More
Customized washers from Nord-Lock can include special materials, measurements, sizes, coatings or changes in geometry Nord-Lock Customized Solutions Custom designed bolting solutions for your unique application requirements Read More

Customer success stories

Increasing the capacity of Benteler Arena Fan safety in football stadiums has come a long way in recent decades, yet collapses and accidents still occur. Read More
Providing safety in huge steel constructions When durability and safety are absolutely critical in a construction project, small things like washers can have a huge impact. Read More
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. Read More
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. Read More
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. Read More
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
The Safest Truck Fleet in Europe EDEKA Südbayern takes the initiative to ensure truck safety. Using Nord-Lock wheel nuts, they are securing their fleet of over 300 trucks and 475 truck drivers' lives in southern Germany. Read More
Securing Giant Satellite Antenna Radomes in Antarctica Antarctica is one of the coldest and windiest places on earth. These conditions put an extreme amount of pressure on bolted connections to be secured properly. Read More
A Simple Solution for an Advanced Machine With the world’s appetite for LCD displays seemingly insatiable, Hyundai Robotics’ LCD handling machines are in high demand from LCD manufacturers. Read More
Getting the best of both worlds On the face of it, building the Kienlesberg bridge was a real-life mission impossible. After all, how can you successfully bring together two completely opposing concepts? Read More
Saving time and money by using the right wheel nuts Holzwerke Ladenburger is one of Europe’s largest suppliers of wood products for the building industry, producing 800,000m3 of timber products every year. They had to retighten their wheel nuts ever... Read More
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. Read More
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. Read More
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. Read More
Washers reduce costs in propeller assembly Mecklenburger Metallguss GmbH, a world leader in the production of propellers for large container ships chose Nord-Lock as the new standard for all bolted joint applications Read More
SpaceX competition winners chose wedge-locking washers In 2015, Elon Musk, the billionaire behind the futuristic transport technology companies Tesla and SpaceX, launched the Hyperloop Pod Competition. Read More
Washers triple-protect nuclear transports Daher Nuclear Technologies GmbH, located in Hanau close to Frankfurt am Main, Germany, develops containers for transportation of radioactive substances. For obvious reasons, these containers must b... Read More
Cheaper but Better Solution for Tractors With Washers Early in 2017, when Hattat Traktör was testing a new tractor model, they realized that the joints on the air compressor–engine connection bracket were loosening because of vibration. Read More
No more loose screws on giant quay cranes Paceco España has been using Nord-Lock washers in their quay cranes to prevent bolted connections from coming loose by vibrations during operation. Read More
Focus on security in windy and vibrating environment Dutch company Akkadia manufactures specialist CCTV systems for demanding situations in various industries. Its cameras can be found everywhere, from offshore, to polar regions and deserts. Read More
Nord-Lock Group keeps the railway industry on track Nord-Lock wedge-locking washers are used in all safety-related areas of the railway industry, such as bogies, coupling devices, brake systems, rail dampers. Read More
Washers keep airplanes in the air Look up into the sky in the coastal city of Miri, in north-eastern Sarawak, Malaysia, and you may see Nord-Lock washers in action: inside a radio-controlled aircraft. These hobby airplanes are sold by Byond Horizon, a business that otherwise uses drones to take aerial photos and videos for companies. Read More
Renovating Nuremberg’s metro – without affecting the timetable Renovating an underground railway system without weeks of construction and chaos caused by delays and diversions was previously unheard of. Read More
Extended temperature range for usage of Nord-Lock steel washers Nord-Lock steel washers have been approved for temperatures down to -50°C by an independent test institute Swerea Kimab and TÜV. Read More
Green technology for sustainable land clearing Mulching machines are exposed to extreme vibration. Extending their life cycle and sharpness of the teeth is vital for sustainable land clearing. Read More
New materials increase railway safety The development of new materials, for example glass-fibre reinforced plastic (GRP), has set new trends for the infrastructure of railway companies. Materials on the tracks, such as steel and timber... Read More
Washers safeguard transport safety To avoid accidents that would put people and the environment in harms way, it is crucial that the transport of liquids is managed safely and efficiently. Read More
Securing bridges over cooling water The Port of Rotterdam (Netherlands) receives every year the visit of around 35,000 seagoing vessels and 130,000 inland vessels. This makes the Port of Rotterdam the largest port in Europe and third... Read More
Taking wind energy to new depths Offshore wind turbines are an increasingly common sight as the world moves towards more sustainable forms of energy production. Read More
Staying on track By using Nord-Lock washers, PT. INKA can now be sure that the bolted connections between the bogies and under frame of their trains are fully secured. Read More

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