GN 319.5-BRevolving Ball Knobs

With internal thread

Plastic, Spindle Stainless Steel

Catalogue
d1
d2
d3
l1
l2 ±1
l3 ±1
A/F
t min.
GN 319.5-25-M6-B
25
M 6
10
11
37.5
15
8
10
24
GN 319.5-32-M8-B
32
M 8
13
13
48
19
10
12
51
GN 319.5-40-M10-B
40
M 10
16
14
61
24
14
16
100
GN 319.5-50-M12-B
50
M 12
20
21
78
31
17
16
198

Types

  • Type A: With threaded stud
  • Type B: With internal thread

Knob

Plastic, phenolic resin (PF)

  • Operating temperature up to 110 °C
  • Black, shiny finish

Spindle

Stainless steel AISI 303

Matte shot-blasted

Revolving ball knobs GN 319.5 are in general used where a pulling action is involved such as on vertically positioned handwheels.

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