English Čeština (Czech) Dansk (Danish) Deutsch (German) English (English) Español (Spanish) Suomi (Finnish) Français (French) Italiano (Italian) 日本語 (Japanese) 한국어 (Korean) Nederlands (Dutch) Polski (Polish) Português (Portuguese, Brazil) Svenska (Swedish) 简体中文 (Chinese, Simplified) Nord-Lock Wedge-locking solutions The original wedge lock technology utilizes tension to secure bolted joints in demanding applications that are subjected to extreme vibration and dynamic loads. A reliable solution to maintain a high and accurate clamp load. Washers Original Nord-Lock washer with proven success in many industries worldwide. Available in various sizes and materials. Dimension lists Torque guidelines SC-washers Specially designed for the use in steel construction applications and to fit HV-sets and HR-sets. Steel construction washers Request for information Wheel nut Safe wheels save lives – eliminate the risk of wheel loosening on heavy vehicles. Technical specifications Customer cases Combi bolt washers Specifically designed to be captivated on a bolt (SEMS). Combi bolt washers Request for information Customer specials Presenting the most efficient and cost effective solutions for your bolted connections. Certificates Customer cases Multifunctional wedge-locking A combination of unmatched wedge-effect with exceptional spring effect, for bolt security without compromise. X-series washers Nord-Lock's innovative washer provides maximum security for critical bolted joints that are exposed to spontaneous bolt loosening and slackening. Expand your bolted joints design possibilities with an excellent security option. X-series washer video Dimension lists Torque guidelines Downloads Superbolt Multi-jackbolt tensioners (MJTs) Superbolt tensioners offer you simple and cost effective tightening of large size bolts. Your joints can be tightened with high accuracy without requiring specialist skills or heavy tooling. Nut-style tensioners Achieve safe and accurate preload with hand tools. Replaces the existing nuts. Dimension lists Request for quote Bolt-style tensioners Safely achieve accurate preload with only hand tools. Replaces the existing bolt. Advantages Dimension lists Flexnuts Help relieve stress concentrations and increase fatigue life of the bolt /stud. Introduction Dimension lists Pre-designed solutions and specials Custom designed bolting solutions for your unique application requirements. Customer cases Request for quote Expansion bolting Replaces traditional interference or force fit bolts for large machinery couplings. For blind hole applications Improve safety and reduce costs. Access & operation from one side. Introduction Expansion bolts video For through hole applications No honing or machining required. Access & operation from both sides. Customer cases Request for quote Boltight Boltight hydraulic tensioning Products and services Market segments Request for information Customer cases Expander System Expander System Advantages Market segments Expander System Online Quality & design Request for information Customer cases Industries The Nord-Lock Group has over 30 years of bolting experience in every industry around the world. Choose an industry for bolting case studies and related articles. Bolting solutions by industry: Construction & Bridge Building Forestry & Agriculture Forging & Other Presses Machine Building Manufacturing & Processing Mining & Quarrying Oil & Gas Power Generation / Energy Railway Shipbuilding & Marine Steel Transportation Miscellaneous Services Performance Services Sourcing Design / Production Aftermarket Technical support Nord-Lock E-learning Download center Brochures Videos Copies could cost you dearly No Need For Retightening About us Nord-Lock Group Our history Careers Certificates News Contact us Expander System How it works Advantages Reseller / maintenance shop Market segments Expander System Online Quality & design Request for information Customer cases Related articles / news Share on LinkedIn Share on Twitter Share on Facebook The permanent solution for pivot wear Pivot wear is a common problem with all machinery. Repairs involve a costly, time-consuming process with significant downtime and must be repeated several times over a machine’s life. The Expander System offers an advanced, cost effective solution that prevents pivot wear, once and for all. With Expander System, the repair can be carried out directly in the worn mountings without welding and line boring, a solution that is permanent. The Expander System has been field tested for over 50,000 hours without failure. Each system is tested and approved for its specific application. The Expander System is available in sizes and versions for all types of pivot positions. More than 60,000 different Expander System solutions for over 10,000 types of machines have been developed. Our experience and knowledge allows us to offer custom made solutions even if the wear dimensions are beyond the size of a traditional pivot pin. Latest customer cases Read more customer cases New horizons with the Expander System Operating for over 80 years, Boskalis Westminster is a leading global dredging and offshore contractor and maritime services provider. With safety (…) Expander System passes 50 000h of testing with flying colors The Expander System was field tested in the steering cylinder position on Volvo BM 4300 wheel loaders through four machine (…) Blog 25 January 2017 Hydraulic tensioning with Multi Stud Bolt Tensioner Multi Stud Bolt Tensioner is designed to provide high and accurate preload within a minimum diameter envelope. Durable, lightweight and easy to use, these tools are ideal for use within the confined radial spaces typical to tower connections. The video below demonstrates the tensioning process. Click here for more information (…) Blog 18 January 2017 Pressing problem solved with Superbolt Bolted joints are a key component of most machines, which make them essential to many of Japanese Sodick Corporation’s applications. The company manufactures industrial machines and machining tools as well as consumables and other products. Original research and development is a top priority, ensuring high-quality products that improve the customers’ (…) Blog 11 January 2017 New horizons with the Expander System Operating for over 80 years, Boskalis Westminster is a leading global dredging and offshore contractor and maritime services provider. With safety and sustainability as their core values, the company has a long track record of successfully completing projects in different types of challenging offshore environments. Among the multitude of machines and (…) News 05 July 2016 Nord-Lock Group acquires Expander Group Nord-Lock Group (Sweden) has acquired 100% of the Expander Group from owner Roger Svensson. Expander Group consists of Expander System Sweden AB, and associated subsidiaries in Sweden, USA and Germany. The Expander Group specializes in the design, manufacturing and sales of the Expander® System, an expandable pivot pin system, for (…) News 11 May 2016 A new range of washers for the steel construction industry From the Empire State Building in New York to the Eiffel Tower in Paris and Burj Khalifa in Dubai, steel has been used in some of the world´s most famous landmarks and is used everywhere around us, in buildings, bridges, highways or other civil engineering projects. HV and HR sets (…) Expander System The permanent solution for pivot wear. Click to find out more! Boltight Hydraulic tensioning system - find out more about this advanced technology Junker Video Witness the performance of Nord-Lock washers in the Junker vibration test Superbolt Video Check out the new product video to see how Superbolt works! A Nord-Lock Group magazine that focuses in optimizing bolt security. Released twice yearly, the magazine includes interesting customer stories and technical articles. Download the latest issue Bolted #2 / 2016 Bolted #1 / 2016 Bolted #2 / 2015 Bolted #1 / 2015 Bolted #2 / 2014 Bolted #1 / 2014 Bolted #2 / 2013 Bolted #1 / 2013 Bolted #2 / 2012 Bolted #1 / 2012 Bolted #2 / 2011 Bolted #1 / 2011 Bolted #2 / 2010 Bolted #1 / 2010 Bolted #1 / 2009 English Swedish German Finnish French Chinese Japanese Korean English German Swedish French Finnish Chinese Japanese English German Finnish French Swedish Chinese Japanese English German Finnish French Chinese Swedish Japanese English Swedish French Finnish German Chinese Japanese English Swedish German Finnish French Japanese Chinese English German French Japanese Chinese Swedish Finnish English German French Japanese Chinese Swedish Finnish English German French Japanese Chinese Swedish Finnish English German French Japanese Chinese Swedish Finnish English German French Japanese Chinese Swedish English German French Japanese English German Japanese English German English German Subscribe Bolted magazine Nord-Lock International AB T: +46 40 602 46 00 | E: info@nord-lock.com Nord-Lock, Inc. / Superbolt, Inc. T: +1 412 279 1149 | E: bolting@nord-lock.com Nord-Lock Ltd T: +44 1264 355557 | E: enquiries@nord-lock.co.uk The Nord-Lock Group has a worldwide representation. > Find a local office [ Subscribe Newsletter ] Follow us: Contact Nord-Lock Name Website Country / state Phone E-mail How can we help you? Send me Nord-Lock news ⓒ NORD-LOCK INTERNATIONAL AB 2017 Privacy Sitemap