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Nut with corrugated washer
Nut with corrugated washer - 1
Nut with corrugated washer - 2

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Nut with corrugated washer

W-0379, galvanised steel, blue passivated (A4B)

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  • Easy mounting. Lock washer and nut form one unit.

  • Single piece. Ordering and storage are streamlined.

  • Quicker and easier installation, especially for overhead work and in places with difficult access.

  • Large contact surfaces, better distribution of tension.

  • Better overlap for large through holes and slots.

  • Protection of workpiece surface. Prevents paint damage and corrosion.

  • Can be used at high temperatures.

  • Locking effect even under extreme conditions. Drive tension in the washer is greater than the bolt pretension.

  • Shorter tightening distance than for standard nuts, no forcing of threads.