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 8.8, as specified in DIN EN 20898-1. They are intended to counteract the effect of setting which results In bolt/nut assemblies working loose (see DIN 267-26). 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.