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 plunger has been manually disengaged.
When the lock mark is visible the plunger is either completely disengaged or only partly in the index position.

Threaded sleeve and indexing pin free-cutting steel.

Mushroom grip thermoplastic.

Locked mark aluminium.

Threaded sleeve black oxidised.
Indexing pin hardened, ground and black oxidised.

Mushroom grip black-grey RAL7021.

Locked mark red anodised.

Special versions.

Form A: non-lockout type, without locknut
Form B: non-lockout type, with locknut

1) marking ring

Spacer rings 03089.
fastening sets for thin-walled parts 03094-10.