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Products - Washer Index - Wedge Lock Washer
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VPF Wedge Lock washer material / type guide
| Application parameter | Steel washers | Stainless steel (ss) washers |
|---|---|---|
| Steel type | EN 1.7182 or equivalent | EN 1.4404 or equivalent |
| Examples of applications | General steel applications | General stainless steel applications. Non chlorine / acid environments |
| Available for bolt sizes | M3-M130 (see page 8 for dimensions) | M3-M80 (see page 10 for dimensions) |
| Washer types | Regular outer diameter (VP3�VP130) Enlarged outer diameter (VP3,5sp�VP36sp) | Regular outer diameter (VP3ss�VP80ss) Enlarged outer diameter (VP3,5spss�VP30spss) |
| Treatment Surface coating | Through hardened Delta Protekt� base coat (KL100) and top coat (VH302GZ) | Surface hardened |
| Washer hardness* | = 465 HV1 | = 520HV0,05 |
| Corrosion resistance | Minimum 600 hours in salt spray test (according to IS09227) | PREN 27** |
| Bolt grades | Up to 12.9 | Up to A4-80 |
| Temperature range*** | -20�C to 200�C | -160�C to 500�C |
* In order to assure the unique mechanical locking function of the Wedge Lock washers, the hardness of the mating surfaces must be lower than the hardness of the Wedge Lock washers (see table above).
** PREN (Pitting Resistance Equivalent Number) = %Cr + 3,3x%Mo + 16x%N. Figures in table valid for base material.
*** Temperature recommendations based on information from the raw material supplier. Locking function not affected within the specification.