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Wedge lock washer Nord-Lock, narrow shape (NL)
Original Nord-Lock wedge lock technology with CE marking and laser marking. For effective thread locking on laterally loaded, vibrating screw connections and screw connections subject to oscillations to prevent self-turning.
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General:
Original Nord-Lock wedge lock washers secure screw connections that are subject to severe vibrations and dynamic loads.
Corrosion resistance:
High level of corrosion resistance (at least 1,000 hours in salt spray test in accordance with ISO 9227)
Function:
Highly secure locking as wedge surfaces slope up between the two lock washers. The screw connection is locked by pretension instead of by friction.
Advantages:
- Quick and easy installation/removal with standard tools
- Secure locking even with lubrication
- Reliable securing - even for screw connections with short clamping lengths
- Reusable (depending on operating environment)
- CE marking
- Laser marking for continuous traceability
- Designed for screws up to and including strength class 12.9 (steel) and A4-80 (high-grade steel)
Certificates and approvals:
- DIBt (Deutsches Institut für Bautechnik - German Institute for Construction Technology)
- DNV GL (Det Norske Veritas Germanischer Lloyd)
- EBA (Eisenbahn-Bundesamt - German Federal Railway Authority)
- TÜV (Technischer Überwachungs-Verein - German Technical Inspection Association)
- LR (Lloyd's Register)
Note:
For the recommended tightening torques, please see the technical information from the manufacturer.
Select RAL-colour code
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