GN 817.4Indexing plungers

Indexing plungers, Steel

Steel / Stainless Steel, with T-Handle, with and without rest position

GN 817.4

Catalogue
d1 Pin -0.02/-0.05
Bore
H7
l1
d2
k
l2
l3
l4
l5
A/F
Spring load in N ≈
initial
Spring load in N ≈
end
GN 817.4-6-6-B
6
6
M 12 x 1.5
20
48
22
6
54
14
6.5
19
31
GN 817.4-6-6-CK
6
6
M 12 x 1.5
20
48
22
6
54
14
6.5
19
42
GN 817.4-6-6-C
6
6
M 12 x 1.5
20
48
22
6
54
14
6.5
19
33
GN 817.4-6-6-BK
6
6
M 12 x 1.5
20
48
22
6
54
14
6.5
19
40
GN 817.4-6-9-CK
6
9
M 12 x 1.5
20
48
22
6
54
14
6
25
40
GN 817.4-6-9-C
6
9
M 12 x 1.5
20
48
22
6
54
14
6
25
34
GN 817.4-6-9-BK
6
9
M 12 x 1.5
20
48
22
6
54
14
6
25
40
GN 817.4-6-9-B
6
9
M 12 x 1.5
20
48
22
6
54
14
6
25
34
GN 817.4-8-8-CK
8
8
M 16 x 1.5
25
59
26
8
59
17
8.5
26
86
GN 817.4-8-8-C
8
8
M 16 x 1.5
25
59
26
8
59
17
8.5
26
68
GN 817.4-8-8-BK
8
8
M 16 x 1.5
25
59
26
8
59
17
8.5
26
80
GN 817.4-8-8-B
8
8
M 16 x 1.5
25
59
26
8
59
17
8.5
26
64
GN 817.4-8-12-CK
8
12
M 16 x 1.5
25
59
26
8
59
17
8.5
28
80
GN 817.4-8-12-C
8
12
M 16 x 1.5
25
59
26
8
59
17
8.5
28
71
GN 817.4-8-12-BK
8
12
M 16 x 1.5
25
59
26
8
59
17
8.5
28
80
GN 817.4-8-12-B
8
12
M 16 x 1.5
25
59
26
8
59
17
8.5
28
65
GN 817.4-10-12-CK
10
12
M 16 x 1.5
25
59
26
8
59
17
9.5
38
90
GN 817.4-10-12-C
10
12
M 16 x 1.5
25
59
26
8
59
17
9.5
38
72
GN 817.4-10-12-BK
10
12
M 16 x 1.5
25
59
26
8
59
17
9.5
38
80
GN 817.4-10-12-B
10
12
M 16 x 1.5
25
59
26
8
59
17
9.5
38
72
GN 817.4-12-15-CK
12
15
M 20 x 1.5
25
68
33
10
59
22
11.5
40
160
GN 817.4-12-15-C
12
15
M 20 x 1.5
25
68
33
10
59
22
11.5
40
127
GN 817.4-12-15-BK
12
15
M 20 x 1.5
25
68
33
10
59
22
11.5
40
150
GN 817.4-12-15-B
12
15
M 20 x 1.5
25
68
33
10
59
22
11.5
40
120

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

  • blackened
  • Pin hardened and grounded

Version in Stainless Steel NI

  • AISI 303
  • Pin chemically nickel plated

T-Handle

Plastic Polyamide (PA)

  • not removable
  • black, matt

Indexing plungers GN 817.4 are similar to GN 817 but with a T-handle instead of a round head.

This shape allows better visual orientation of the indexing position of Type C and is advantageouse when greater unlocking forces occur.

Type C with rest position is used in such applications where the plunger must not protrude continually. In that case the knob is retracted and afterwards turned by 90°. A notch keeps the plunger in this position.

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