Locking disc spring washer, shape M Spring steel hardened 420-510 HV10, zinc-flake coated
Steel zinc-flake silver type M
WSH-SER-M-(FLZN480H)-D18,5
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- Type M (medium): up to and including screw connections of strength class 8.8 with normal head contact
- 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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Machine and system construction, drive technology, conveyor technology, commercial vehicles, construction machines, vehicle construction, agricultural technology, the food industry etc.
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Suitable for screw thread | M18 |
Internal diameter (d1) | 18.5 mm |
Outer diameter (d2) | 35 mm |
Height (h1) | 4.2 mm |
Thickness (s1) | 3 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 | M |
Locking device operating principle | Serrated lock washer |
Locking function | Embedding locking device |
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