Indexing plunger TA.4 D1=M20X1, 5, D=12, Style C with latching groove without lock nut, Stainless steel 1.4404 untreated, Components: steel

Indexing plungers are used to prevent changes in the engagement position caused by transverse forces. Only after the pin has been withdrawn manually is it possible to move to another latching position. If the pin is to remain withdrawn for a long period and the guided locking pin must be prevented from retracting, forms C + D should be used.
Material:
Stainless steel version A1:
Threaded bush and mushroom head 1.4305.
Hardened guide pin for locking 1.4034.
Unhardened guide pin for locking $s14035..

Stainless steel version A4:
Threaded bush, mushroom head and locking guide pin 1.4404.

Version:
Stainless steel version A1:
Threaded bush and mushroom head, untreated surface.
Hardened and ground guide pin for locking, untreated surface.
Unhardened and ground guide pin for locking, untreated surface.

Stainless steel version A4:
Threaded bush, untreated surface.
Mushroom head, untreated surface or blasted.
Polished guide pin for locking with electroless nickel plating.
Polished guide pin for locking, untreated surface.
Note:
The materials used allow varied use.
For requirements with very high corrosion resistance, locking pins in stainless steel A4. are recommended
Accessories:
Spacer rings K0665.
Clamping kits for thin-walled parts K2146.