Nut with corrugated washer
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Nut with corrugated washer
W-0379, galvanised steel, blue passivated (A4B)
Exclusively for trade customers
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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.
Select RAL-colour code
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