Indexing plungers are used to prevent any change in locking position due to lateral forces. A new locking position can only be set after the pin has been manually disengaged.

Threaded sleeve 1.4305.
Indexing pin hardened 1.4034.
Indexing pin not hardened 1.4305.

Mushroom grip 1.4305.

Threaded sleeve bright.
Indexing pin hardened and ground, bright.
Indexing pin not hardened and ground, bright.

Mushroom grip fine turned.

A screw-in washer can be supplied to aid screwing in the indexing plungers. The washer fits beneath the disengaged mushroom knob so that the carrier pins engage in the slot.

Special versions.

Form G: without locknut
Form H: with locknut

1) Indexing plunger with screw-in washer