Black-oxide steel.
Plunger
Black-oxide steel with hardened end.
Suggested tolerance for matching hole = H7.
Locking nut
Black-oxide steel.
Spring
AISI 301 stainless steel.
Knob
High-resilience polyamide based (PA) technopolymer, black colour, matte finish.
Standard executions
- GN 817-B: with knob, without locking nut.
- GN 817-BK: with knob, with locking nut.
- GN 817-C: with knob and rest position, without locking nut.
- GN 817-CK: with knob and rest position, with locking nut.
- GN 817-G: without knob, without locking nut.
- GN 817-GK: without knob, with locking nut.
GN 817-G and GN 817-GK, without knob, are provided with threaded drive rod for combination with knobs on customer's request or to join the rod to an operating mechanism of the machine.
GN 817 indexing plungers offer the following advantages: 2 different strokes (l1) for every plunger diameter (d1), compact knobs, retracted position mechanism GN 817-C inside the knob.
Indexing plungers with red clamping knob similar to RAL 3000 (GN 817-RT).
AISI 303 stainless steel distance bushings GN 609.5 for the assembly of the indexing plunger on thin sheets.