Specification Sheet

5
Nord-Lock washers provide more than just a safe locking
function, using our washers also improves the general
performance of a bolted joint.
Product benefits
• Maintains high clamp load and thereby ensures
the function of the joint
• Quick and easy to install and remove with standard tools
• Locking function not affected by lubrication
• Defined and uniform friction conditions which result
in a more accurate preload
• Same temperature characteristics as standard bolt / nut
• Reusable – in addition, Nord-Lock washers do not
affect the reusability of fasteners
• The washers are hardened and can support and
distribute great loads
• Washers with enlarged outer diameter available
for flanged bolts / nuts
• High corrosion resistance
• Can be used with fasteners up to grade 12.9 (ASTM A574)
• Reliable locking, even for joints with short clamp length
• Secures fasteners at both high and low preloads
• No retightening needed
• Verifiable locking function
• Elegant solution and problem solving – modern
engineering
More than a physical product
Nord-Lock offers more than just secure bolted joints. When
designing an application, it is important to consider the result
it will generate throughout the entire lifespan. When using
Nord-Lock products you also benefit from our experience
and knowledge. We guide you towards the most beneficial
and effective bolt design.
The key to efficient
& secure operations
Technical Center
Our skilled and innovative staff is available to help, review
and discuss your applications in order to optimize the design
of your bolted connections. Many companies take advantage
of the extended services we offer in our in-house laboratories
located in Europe, North America and Asia. These services
comprise customized tests, failure analysis and joint
calculations. In addition, we offer on-site and remote product
training and installation services.
Nord-Lock products can help you increase your profitability by
considering the complete life cycle cost for bolt securing.
Life Cycle Profitability
Over the operational life cycle, Nord-Lock products give
increased operational reliability and lower maintenance costs
while significantly reducing the risks of production stops,
accidents and warranty claims. We help you examine all cost
factors related to bolted joints.
Failure costs
Maintenance and
re-tightening costs
First installation
Product
costs
Design
costs