Lock washer VS Spring steel, type VS, zinc-flake coating, silver (ZFSH)
Spring steel flake zinc silver type VS
WSH-LOK-VS-ZFSH-D20,0
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Belleville washer shape
The Belleville washer form features angled teeth to create an optimum and simultaneous friction-fit and form-fit connection.
Notice
It makes sense in many cases – primarily when using short screws and loads which are vertical to the screw axis – to prevent the connection loosening by using lock washers to supplement the pre-tensioning force. For difficult conditions, such as harder surfaces, slotted holes, screws of strength class 10.9 etc., the strengthened VS design is recommended.
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