JW Winco

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GN 3664 Torque Limiting Tristar Knob Screws


Product description


Torque limiting tristar knob screws GN 3664 are used when the torque applied by hand must be set or limited.

When turned clockwise, the torque mechanism of the tristar knob triggers a “slipping” effect after the specified torque is reached. When turned anti-clockwise, the mechanism locks up to disable any torque limiting. This ensures that a maximum permissible torque is not exceeded, while the torque required for loosening is always transmitted reliably.


Technopolymer (Polyamide PA-HP)
Glass fiber reinforced, black matte

Torque limiting mechanism
Steel, hardened

Other parts
Steel, blackened

Plastic, light gray


On request

Other dimensions of threaded studs analog GN 300
Other inserts with special threaded studs analog GN 306
Other torques
Torque limiting turning anti-clockwise or turning anti-clockwise and clockwise

Technical drawing

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GN 3664 Torque Limiting Tristar Knob Screws sketch

Article options / Table

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d1d4Length ld5d6h1h2Torque ±10%
in Nm
50M 8162025324013,523,641,610,7234
50M 10202532405013,523,641,610,7234
63M 825324050631628,146,612,93,244,7
63M 1025324050631628,146,612,93,244,7
80M 1025324050631934,156,216,845,57,5
80M 1225324050631934,156,216,845,57,5

Build & Price

Open 3D configurator

Thread d4
Length l
Torque in Nm

Selected Part (How to order)

Total (net)
plus VAT 4,82 €
gross 30,18 €
Ask for delivery time
Weight: 0,072 kg
If this article is new in our product range, it may happen that details concerning weight are as yet not listed.
If you do need weight details, please contact our Sales Department!
Phone+49 7723 6507 - 0
RoHS: Yes
This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU, including extension (2015/863/EU), for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).
Please note our quantity discounts.
With a total value (net) per order:
from 175,00 € -> 10 % discount
from 275,00 € -> 20 % discount
from 375,00 € -> 30 % discount
With a total value (net) per order:
-> 15,00 Euro
for value of goods less than 25,00 €
-> 10,00 Euro
for value of goods from 25,00 to 50,00 €
All prices in accordance with our price list No. 53, valid from 1 May 2021, plus VAT only valid for Germany.

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Our Service-Team is available from Monday to Friday from 7:00 until 17:30: +49 7723 6507 - 100

To the customised elements | To the contact persons

GN 3664-63-M10-32-4GN 3664-50-M8-20-4GN 3664-50-M10-32-3GN 3664-80-M12-40-4GN 3664-50-M10-25-3GN 3664-63-M8-50-3,2GN 3664-50-M10-32-2GN 3664-63-M8-63-4,7GN 3664-80-M10-50-7,5GN 3664-80-M10-63-4GN 3664-63-M8-25-4,7GN 3664-50-M10-20-2GN 3664-63-M10-63-4GN 3664-80-M10-40-7,5GN 3664-63-M8-32-4,7GN 3664-63-M8-40-3,2GN 3664-63-M10-25-4GN 3664-80-M10-63-5,5GN 3664-80-M12-32-4GN 3664-63-M8-50-4GN 3664-63-M10-50-4GN 3664-50-M8-20-2GN 3664-80-M10-50-5,5GN 3664-50-M8-40-2GN 3664-50-M8-40-4GN 3664-50-M10-32-4GN 3664-63-M8-63-3,2GN 3664-80-M12-50-4GN 3664-63-M10-40-4GN 3664-50-M10-50-4GN 3664-50-M8-25-3GN 3664-50-M8-16-3GN 3664-63-M10-25-3,2GN 3664-80-M12-25-5,5GN 3664-50-M10-40-2GN 3664-50-M10-40-3GN 3664-63-M10-32-3,2GN 3664-80-M12-25-4GN 3664-63-M10-40-3,2GN 3664-50-M8-20-3GN 3664-50-M10-20-3GN 3664-80-M12-25-7,5GN 3664-50-M10-25-4GN 3664-50-M8-25-2GN 3664-50-M10-40-4GN 3664-63-M8-50-4,7GN 3664-63-M8-25-3,2GN 3664-63-M8-40-4GN 3664-80-M12-63-5,5GN 3664-80-M12-32-7,5GN 3664-50-M10-25-2GN 3664-63-M10-50-3,2GN 3664-80-M10-25-5,5GN 3664-63-M8-40-4,7GN 3664-63-M8-63-4GN 3664-80-M10-40-5,5GN 3664-80-M12-40-7,5GN 3664-80-M10-40-4GN 3664-80-M12-63-4GN 3664-50-M10-50-2GN 3664-80-M10-32-4GN 3664-63-M8-32-4GN 3664-50-M10-50-3GN 3664-63-M10-40-4,7GN 3664-80-M12-32-5,5GN 3664-80-M12-50-7,5GN 3664-50-M8-16-2GN 3664-50-M8-25-4GN 3664-63-M10-32-4,7GN 3664-80-M10-50-4GN 3664-80-M12-63-7,5GN 3664-80-M10-32-7,5GN 3664-63-M10-63-4,7GN 3664-63-M10-25-4,7GN 3664-50-M10-20-4GN 3664-80-M10-32-5,5GN 3664-63-M10-50-4,7GN 3664-80-M12-50-5,5GN 3664-50-M8-32-3GN 3664-80-M10-25-7,5GN 3664-80-M10-25-4GN 3664-63-M10-63-3,2GN 3664-80-M10-63-7,5GN 3664-50-M8-32-4GN 3664-63-M8-25-4GN 3664-80-M12-40-5,5GN 3664-50-M8-32-2GN 3664-50-M8-40-3GN 3664-63-M8-32-3,2GN 3664-50-M8-16-4

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