Locking disc spring washer, shape S A4 stainless steel, plain
A4 stainless steel, type S
WSH-SER-A4-S-D12,4
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- Type S (narrow): up to and including screw connections of strength class 5.6 with normal or small head contact
- Protection type: Screw retainer
- A4 stainless steel material number 1.4401
- 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) | 24.25 mm |
Height (h1) | 2.8 mm |
Thickness (s1) | 1.6 mm |
Material | Stainless steel A4 |
Surface | Plain |
RoHS-compliant | Yes |
Form | S |
Suitable for | Normal and small head supports |
Locking device operating principle | Serrated lock washer |
Locking function | Embedding locking device |
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