TUF-LOK®

Reliable threadlocking in a “shaky world”

There are vibrations almost everywhere, even if we notice it. Yet despite having tightened the screw joints according to all the rules of the trade, sometimes threaded joints come loose. Threadlocking is the answer. More specifically Nylok and TUF-LOK®. The TUF-LOK® method has been used and developed over more than 50 years, and it is recognized around the world as Nylok and "The TRUE BLUE".
At Mattssons’ Nylok Scandinavia AB in Anderstorp we cover the dimensions M1-M68.

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TUF-LOK® has many advantages

  • Reusable - can be used multiple times without reduced functionality
  • Environmentally friendly – TUF-LOK® contains no environmentally harmful substances.
  • Locking - prevents screw joints from vibrating.
  • Silencing – effectively prevents sound propagation.
  • Vibration damping – minimises spread of vibrations.
  • Sealing – 360° application provides effective sealing against liquids and gases.
  • Approved – meets locking forces according to DIN267 Part 15+28, IFI-524 etc. 
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How it works!

With a high level of precision, the unique nylon substance is applied to the right spot on the thread, so that the desired function is achieved.
The flexible TUF-LOK® compound fills the space between the thread flanks. The pressure increases on the untreated, opposite side of the bolt and nut respectively. The increased friction created prevents the joint from loosening.

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The TUF-LOK® nut replaces classic lock nuts

The time has come to replace the classic lock nuts with the TUF-LOK® nut. TUF-LOK® is applied to a standard nut that has a significantly higher availability on the market.


A classic lock nut has the advantage that the joint does not fall apart, but it loses its clamping force after a period of vibration. TUF-LOK® ensures that the clamping force is maintained. The weight of the joint is reduced by decreasing the overall height of the nut, which also allows a shorter screw to be used.

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Nylok INNYATION™ app

With the Nylok downloadable app, you get an easy overview of TUF-LOK® and Nylok's other products.

Download the application here

 

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