DIN 127 Spring lock washers with square ends or tang ends

DIN 127 Spring lock washers with square ends or tang ends

Spring lock washers covered in this standard are deemed tobe spring washers designed for use with bolt/nut assemblies involving fasteners of property class 5.8 or less,as specified in ISO 898 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 loadand are designed for use with short bolts predominantly subject to thrust.