Spring cotter pin | SM 1273-90
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- Order number: 243828
Spring cotter pin
ST: steel, zinc plated, blue passivated
NI: stainless steel AISI 303
Form E: with single winding
Form D: with double winding
Spring cotter pins SM 1273-90 are used for the axial fixing of bolts and axes and as
distortion guard, e.g. for crown nuts DIN 935.
Owing to their double winding, spring cotter pins of Type D have a fl atter spring characteristic
and are therefore easier to install.
Also, a retaining rope including a key ring can be attached to the double winding to
safeguard the Spring cotter pin against loss.
Owing to their double winding, spring cotter pins of Type D have a flatter spring characteristic
and are therefore easier to install. In addition, a retaining rope incl. key ring can be attached
to the double coil as an anti-loss device for the spring cotter.
d1 = 7 (form D) only available in steel.