KIPP K0338.3903AJ84 INDEXING PLUNGER SIZE:9 D1=1/4-28 D=3 FORM:C WITH LOCKING SLOT WITHOUT LOCKNUT STEEL HARDENED Material: Steel version: Grub screw and indexing pin steel. Stainless steel version: Indexing pin hardened: Threaded sleeve 1.4305 (AISI 303 equivalent). Indexing pin 1.4034(AISI 420 equivalent). Indexing pin not hardened: Threaded sleeve 1.4305 (AISI 303 equivalent). Indexing pin 1.4305 (AISI 303 equivalent). Mushroom knob thermoplastic, black-gray or traffic red RAL 3020. Version: Steel version: Threaded sleeve, black oxidised. Indexing pin hardened, ground and black oxidised. Stainless steel version: Threaded sleeve, bright. Indexing pin hardened, ground and bright. Indexing pin not hardened, ground and bright. Note: 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. style C or D is recommended for applications where the plunger remains disengaged over a long period and the pin should be prevented from springing back. On request: Special versions.