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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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Variants
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.
Vehicle manufacturing, mechanical engineering, manufacturers of pneumatic and power tools, mining, agricultural machine manufacturing, manufacturers of mixing systems, transport and conveyor systems.
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