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 and mushroom grip 1.4305 (AISI 303 equivalent).
Indexing pin hardened 1.4034 (AISI 420 equivalent).
Indexing pin not hardened 1.4305 (AISI 303 equivalent).

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