DIN 137
Wave spring washers
English
1994
Detailed Information
Spring lock washers as covered in this standard are deemed to be spring washers designed for use with bolt/nut assemblies involving fasteners of a property class less than 5.8, as specified in DIN EN 20898 Part 1. They are Intended to counteract the effect of setting which results in bolt/nut assemblies working loose (see DIN 267 Part 26). They do not effectively prevent loosening of the assembly under varying radial load and are designed for use with short bolts predominantly subject to thrust.
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