GN 3663 Torque Limiting Knurled Knobs Aluminum, with Steel Hub


GN 3663 Aluminum Torque Limiting Knurled Knobs, with Steel Hub

Product description


GN 3663 torque limiting knobs are used when 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 tightening, this insures that maximum permissible torque is not exceeded. When turned counter-clockwise, loosening the knob mechanism, the mechanical system locks so that the torque is not limited. Torque necessary for release will always be transmitted properly.

After removal of cover and loosening of the countersunk screw, threaded or plain bore insert can be dismantled.


Knob body
  • Aluminum
  • Black anodized finish

Torque mechanism
  • Steel, hardened

Other parts
  • Steel
  • Blackened finish

Cover cap
  • Plastic
  • Light gray
  • Matte finish

RoHS compliant

On request

Inch size threads and bores
Other torques
Torque limiting turning anti-clockwise or turning anti-clockwise and clockwise

Technical drawing

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GN 3663 Aluminum Torque Limiting Knurled Knobs, with Steel Hub sketch

Part Options / Table

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Dimensions in: Inch | Metric
d3 +0.001
d5d6h1h2tTorque ±10 %
in Nm
1.06M 3--B 5.39.751.
1.06M 4M 5M 6B 6.39.751.38.37.350.711.5
1.34M 3--B 5.39.831.48.37.2811.52.2
1.34M 4M 5M 6B 6.39.831.48.37.3511.52.2
1.65M 6--B 6.531.
1.65M 8--B 8.531.
2.05M 10--B 10.751.
2.05M 12--B 12.751.
2.44M 10--B 10.751.302.13.61.67345.5
2.44M 12--B 12.751.302.13.61.67345.5

Build & Price

Thread d2
Bore d3

Selected Part

Total USD (net)
In stock: 0
Call / Email for Delivery Time
Please note our quantity discounts (USD).
≥ 500$43.70
Weight: -
If weight is not listed, please contact our Sales Department for additional information regarding weight.
Phone: 800-877-8351
RoHS compliant: -
This part is new in our product range, no details are available at this time. For more recent details on the RoHS compatibility, please contact our Sales Department!
Phone: 800-877-8351
All Prices are in US Dollars. Taxes Not Included.

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