Locking disc spring washer, shape Z Spring steel hardened 420-510 HV10, zinc-flake coated
Steel zinc-flake silver type Z
WSH-SER-Z-(FLZN480H)-D12,4
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- Type Z: for cheese head and hexagon socket screws
- From a technical point of view and due to the installation space, the spring properties of this type are significantly lower
- Protection type: Screw retainer
- Friction locking thanks to spring force
- Mechanical interlock thanks to specific surface stamping
- Protects the counter surface from damage (washer does not turn during installation)
- Minimal tightening torque distribution
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Suitable for screw thread | M12 |
Internal diameter (d1) | 12.4 mm |
Outer diameter (d2) | 18.3 mm |
Height (h1) | 2.4 mm |
Thickness (s1) | 1.8 mm |
Material | Spring steel |
Min./max. Vickers hardness, HV | 420-510 HV |
Surface | Flake zinc silver |
RoHS-compliant | Yes |
Corrosion protection period | 720 h |
Form | Z |
Suitable for | Cylinder and hexagon socket screws |
Locking device operating principle | Serrated lock washer |
Locking function | Embedding locking device |
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