817.8-8-8-B-NI GN 817.8-NI Indexing plungers, Stainless Steel

817.8-8-8-B-NI

GN 817.8-NI Indexing plungers, Stainless Steel

Steel / Stainless Steel, removable, with or without rest position
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Eta: 1-2 weeks All sizes and variants of GN 817.8

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Technical data

Catalogue
GN 817.8-8-8-B-NI
d1 Pin -0.02/-0.05 Bore H7
8
l1
8
l2
10
d2
M16x1.5
d3
28
d4
6
d4 -0.05
6
d5
M4
k
24
l3
25
l4
58
l5
26
l6
8
l7
39
l8
20.6
l8 ±0.1
20.6
t
8
A/F
17
Spring load in N ≈
initial
8.5
Spring load in N ≈
end
26
72
817.8-8-8-B-NI drawing

Types

  • Type B: without rest position, without lock nut
  • Type BK: without rest position, with lock nut
  • Type C: with rest position, without lock nut
  • Type CK: with rest position, with lock nut

Version in Steel ST

blackened

  • Threaded body
  • Lock nut

Version in Stainless Steel NI

  • Threaded body, AISI 303
  • Lock nut, AISI 304

Pin

Stainless Steel AISI 303

Countersunk screw DIN 7991

Stainless Steel AISI 304

Knob

  • Plastic (Polyamide PA)
  • black, matt

Indexing plungers GN 817.8 have been designed such that special versions of the indexing pins can also be made economically in smaller unit quantities.

If reqired, the indexing pins can be machined or made by the user as shown in the drawing above. They are assembled with a countersunk screw and can therefore be assembled several times. All parts are supplied in a non-assembled set.

The indexing plungers type C / CK are used for such applications where the plunger has to stay in its retracted position. To achieve this, the knob is rotated by 90° degrees after being retracted. A notch keeps the plunger in this position.