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  • 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.

    Nord-Lock locking washer small on white

    Washers

    Original Nord-Lock washer with proven success in many industries worldwide. Available in various sizes and materials.

    Dimension lists (CAD) Torque guidelines
    Nord-Lock SC-washers

    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
    Nord-Lock wheel nut

    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
    Nord-Lock wedge lock customer specials

    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.

    Nord-Lock X-series washer

    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 stud and bolt tensioners

    Nut-style tensioners

    Achieve safe and accurate preload with hand tools. Replaces the existing nuts.

    Dimension lists Request for quote
    Superbolt multi-jackbolt tensioner bolt style

    Bolt-style tensioners

    Safely achieve accurate preload with only hand tools. Replaces the existing bolt.

    Advantages Dimension lists
    Superbolt flexnut

    Flexnuts

    Help relieve stress concentrations and increase fatigue life of the bolt / stud.

    Introduction Dimension lists
    Pre-designed solutions and specials

    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.

    Expansion bolting

    For blind hole applications

    Improve safety and reduce costs. Access & operation from one side.

    Introduction Expansion bolts video
    Expansion bolt on white 3

    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

    • Product range

    • 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

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    • Technical support

    • Nord-Lock E-learning

    • Download center

      • Brochures

      • Videos

    • Copies could cost you dearly

    • Lifetime Warranty

  • About us

    • Nord-Lock Group

      • Our history

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  • Introduction
  • Certificates
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  • Related articles / news
  • Downloads

  • ISO 9001 Certification - Nord-Lock, Inc. / Superbolt, Inc.

     PDF pages: 1
    File size: 148.28kB

  • ABS Certificate - washers (English)

     PDF pages: 1
    File size: 363.77kB

  • ISO14001 Certificate - Mattmar (English)

     PDF pages: 1
    File size: 329.97kB

  • ISO9001 Certificate - Mattmar (English)

     PDF pages: 1
    File size: 305.55kB

  • EBA Approval Certificate (English)

     PDF pages: 18
    File size: 1.02MB

  • DIN 25201-4 (German)

     PDF pages: 2
    File size: 35.89kB

  • DIN 25201-4 (Spanish)

     PDF pages: 2
    File size: 33.44kB

  • TÜV Certificate - NLss washers (German)

     PDF pages: 1
    File size: 618.88kB

  • TÜV Certificate - NL Delta washers (German)

     PDF pages: 1
    File size: 625.03kB

  • TÜV Certificate - NLss washers (English)

     PDF pages: 1
    File size: 602.23kB

  • TÜV Certificate - Delta washers (English)

     PDF pages: 1
    File size: 598.74kB

  • DIN 25201-4 (English)

     PDF pages: 2
    File size: 33.12kB
Blog 15 June 2017

No downtime with innovative pivot pins

Rambooms Oy is a global supplier of breaker boom systems to crusher manufacturers and mines. Based in Finland, its products are used to break oversized rocks.

Blog 08 June 2017

Lubrication: The when and why for tensioning

Q: How does lubrication affect hydraulic tensioning and multi-jackbolt tensioning?

Blog 31 May 2017

Converting sea wave motion into energy

With oceans covering more than 70 per cent of the earth’s surface, wave power is potentially a huge untapped source of renewable energy.

Blog 24 May 2017

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. That is, until a unique concrete bolt emerged in Nuremberg.

News 28 March 2017

Nord-Lock Group – the first to introduce Lifetime Warranty

The Nord-Lock Group is proud to be the first bolting solutions partner to offer a full lifecycle warranty across all of its technologies. That means the entire lifetime of the bolted connection for Nord-Lock wedge-locking washers and for Superbolt multi-jackbolt tensioners. 10 years/10,000 hours for Expander Systems pivot technology. And (…)

  • Expander System The permanent solution for pivot wear. Click to find out more!
  • Boltight Hydraulic tensioning system - find out more about this advanced technology
  • Download CAD For Nord-Lock washers
    in steel, stainless steel
    and 254SMO
  • Superbolt Video Check out the new product video to see how Superbolt works!

bolted-logo-footer

bolted_collage_ENA 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
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Nord-Lock International AB
T: +46 040 602 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

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