3664-80-B12-4 GN 3664 Douille

3664-80-B12-4

GN 3664 Douille

Bouton en plastique, mécanisme de limitation du couple en acier
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Caractéristiques techniques

Code
GN 3664-80-B12-4
d1
80
d3 H7 Bore
B 12
d5
19
d6
34.1
h1
55
h2
15.5
t min.
17
Torque ±10%
in Nm
4
169
3664-80-B12-4 drawing

Knob

Plastic, Polyamide (PA-HP)

  • Glass fiber reinforced
  • Black, matte finish

Torque limiting mechanism

Steel, hardened

Other parts

Steel, blackened

Cover

Plastic, light gray

Torque limiting three-lobed knobs / screws GN 3664 are used when the manually applied torque is to be limited.

When turned clockwise, the torque mechanical system of the knurled knob triggers an „over-engagement“ as soon as the specified torque is reached. When turning counterclockwise, the mechanical system locks such that the torque is not limited. For example, when tightening, this will ensure that the maximum permissible torque is not exceeded. On the other hand, the torque necessary for releasing will always be transferred reliably.

  • Other dimensions of bore inserts or threaded inserts analog GN 300.
  • Other inserts with special threaded studs analog GN 306.
  • Other torques
  • Torques limiting turning counterclockwise or turning counterclockwise and clockwise