Index plungers are used for indexing bores.
Simple handling, e.g. when using safety gloves, with higher pull release.
Types with / without lock have the same building height.
Due to a thread recess the index plungers can be completely screwed in.
Knob not removable.
Lock nuts have to be purchased separately.
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The screw length can be adapted by distance collars for index plungers (EH 22120.).