GN 3664 Torque Limiting Three-Lobed Knobs Technopolymer Plastic, with Steel Threaded Stud

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Standard Sheet GN 3664 Print this page Plastic Characteristics

Product description

Information

GN 3664 torque limiting three-lobed knobs are used when the manually applied torque is to be set or limited.

When turned clockwise, the torque mechanism of the three-lobed knob triggers an “over-engagement” as soon as the specified torque is reached. When turned counter-clockwise, the mechanism locks up to disable any torque limiting. This ensures that a maximum permissible torque is not exceeded, e.g. when tightening, while the torque required for loosening is always transmitted reliably.

Specification

Knob body
Technopolymer (Polyamide PA-HP)

Glass fiber reinforced
Black, matte finish

Torque mechanism
Steel, hardened

Other components
Steel, blackened finish

Cover
Plastic, light gray

RoHS compliant

On request

Other dimensions of threaded studs as per GN 300

Other inserts with special-tipped threaded studs as per GN 306

Other torques

Torque limiting turning counter-clockwise, or turning counter-clockwise and clockwise

Technical drawing

GN 3664 Technopolymer Plastic Torque Limiting Three-Lobed Knobs, with Steel Threaded Stud sketch

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Part Options / Table

Part Number	d₁	d₄ Thread	Length l	d₅	d₆	h₁	h₂	Torque ±10% in Nm

3664-50-M8-16-2	1.97	M 8	0.63	0.53	0.93	1.64	0.42	2
3664-50-M8-16-3	1.97	M 8	0.63	0.53	0.93	1.64	0.42	3
3664-50-M8-16-4	1.97	M 8	0.63	0.53	0.93	1.64	0.42	4
3664-50-M8-20-2	1.97	M 8	0.79	0.53	0.93	1.64	0.42	2
3664-50-M8-20-3	1.97	M 8	0.79	0.53	0.93	1.64	0.42	3
3664-50-M8-20-4	1.97	M 8	0.79	0.53	0.93	1.64	0.42	4
3664-50-M8-25-2	1.97	M 8	0.98	0.53	0.93	1.64	0.42	2
3664-50-M8-25-3	1.97	M 8	0.98	0.53	0.93	1.64	0.42	3
3664-50-M8-25-4	1.97	M 8	0.98	0.53	0.93	1.64	0.42	4
3664-50-M8-32-2	1.97	M 8	1.26	0.53	0.93	1.64	0.42	2
3664-50-M8-32-3	1.97	M 8	1.26	0.53	0.93	1.64	0.42	3
3664-50-M8-32-4	1.97	M 8	1.26	0.53	0.93	1.64	0.42	4
3664-50-M8-40-2	1.97	M 8	1.57	0.53	0.93	1.64	0.42	2
3664-50-M8-40-3	1.97	M 8	1.57	0.53	0.93	1.64	0.42	3
3664-50-M8-40-4	1.97	M 8	1.57	0.53	0.93	1.64	0.42	4
3664-50-M10-20-2	1.97	M 10	0.79	0.53	0.93	1.64	0.42	2
3664-50-M10-20-3	1.97	M 10	0.79	0.53	0.93	1.64	0.42	3
3664-50-M10-20-4	1.97	M 10	0.79	0.53	0.93	1.64	0.42	4
3664-50-M10-25-2	1.97	M 10	0.98	0.53	0.93	1.64	0.42	2
3664-50-M10-25-3	1.97	M 10	0.98	0.53	0.93	1.64	0.42	3
3664-50-M10-25-4	1.97	M 10	0.98	0.53	0.93	1.64	0.42	4
3664-50-M10-32-2	1.97	M 10	1.26	0.53	0.93	1.64	0.42	2
3664-50-M10-32-3	1.97	M 10	1.26	0.53	0.93	1.64	0.42	3
3664-50-M10-32-4	1.97	M 10	1.26	0.53	0.93	1.64	0.42	4
3664-50-M10-40-2	1.97	M 10	1.57	0.53	0.93	1.64	0.42	2
3664-50-M10-40-3	1.97	M 10	1.57	0.53	0.93	1.64	0.42	3
3664-50-M10-40-4	1.97	M 10	1.57	0.53	0.93	1.64	0.42	4
3664-50-M10-50-2	1.97	M 10	1.97	0.53	0.93	1.64	0.42	2
3664-50-M10-50-3	1.97	M 10	1.97	0.53	0.93	1.64	0.42	3
3664-50-M10-50-4	1.97	M 10	1.97	0.53	0.93	1.64	0.42	4
3664-63-M8-25-3.2	2.48	M 8	0.98	0.63	1.11	1.83	0.51	3.2
3664-63-M8-25-4	2.48	M 8	0.98	0.63	1.11	1.83	0.51	4
3664-63-M8-25-4.7	2.48	M 8	0.98	0.63	1.11	1.83	0.51	4.7
3664-63-M8-32-3.2	2.48	M 8	1.26	0.63	1.11	1.83	0.51	3.2
3664-63-M8-32-4	2.48	M 8	1.26	0.63	1.11	1.83	0.51	4
3664-63-M8-32-4.7	2.48	M 8	1.26	0.63	1.11	1.83	0.51	4.7
3664-63-M8-40-3.2	2.48	M 8	1.57	0.63	1.11	1.83	0.51	3.2
3664-63-M8-40-4	2.48	M 8	1.57	0.63	1.11	1.83	0.51	4
3664-63-M8-40-4.7	2.48	M 8	1.57	0.63	1.11	1.83	0.51	4.7
3664-63-M8-50-3.2	2.48	M 8	1.97	0.63	1.11	1.83	0.51	3.2
3664-63-M8-50-4	2.48	M 8	1.97	0.63	1.11	1.83	0.51	4
3664-63-M8-50-4.7	2.48	M 8	1.97	0.63	1.11	1.83	0.51	4.7
3664-63-M8-63-3.2	2.48	M 8	2.48	0.63	1.11	1.83	0.51	3.2
3664-63-M8-63-4	2.48	M 8	2.48	0.63	1.11	1.83	0.51	4
3664-63-M8-63-4.7	2.48	M 8	2.48	0.63	1.11	1.83	0.51	4.7
3664-63-M10-25-3.2	2.48	M 10	0.98	0.63	1.11	1.83	0.51	3.2
3664-63-M10-25-4	2.48	M 10	0.98	0.63	1.11	1.83	0.51	4
3664-63-M10-25-4.7	2.48	M 10	0.98	0.63	1.11	1.83	0.51	4.7
3664-63-M10-32-3.2	2.48	M 10	1.26	0.63	1.11	1.83	0.51	3.2
3664-63-M10-32-4	2.48	M 10	1.26	0.63	1.11	1.83	0.51	4
3664-63-M10-32-4.7	2.48	M 10	1.26	0.63	1.11	1.83	0.51	4.7
3664-63-M10-40-3.2	2.48	M 10	1.57	0.63	1.11	1.83	0.51	3.2
3664-63-M10-40-4	2.48	M 10	1.57	0.63	1.11	1.83	0.51	4
3664-63-M10-40-4.7	2.48	M 10	1.57	0.63	1.11	1.83	0.51	4.7
3664-63-M10-50-3.2	2.48	M 10	1.97	0.63	1.11	1.83	0.51	3.2
3664-63-M10-50-4	2.48	M 10	1.97	0.63	1.11	1.83	0.51	4
3664-63-M10-50-4.7	2.48	M 10	1.97	0.63	1.11	1.83	0.51	4.7
3664-63-M10-63-3.2	2.48	M 10	2.48	0.63	1.11	1.83	0.51	3.2
3664-63-M10-63-4	2.48	M 10	2.48	0.63	1.11	1.83	0.51	4
3664-63-M10-63-4.7	2.48	M 10	2.48	0.63	1.11	1.83	0.51	4.7
3664-80-M10-25-4	3.15	M 10	0.98	0.75	1.34	2.21	0.66	4
3664-80-M10-25-5.5	3.15	M 10	0.98	0.75	1.34	2.21	0.66	5.5
3664-80-M10-25-7.5	3.15	M 10	0.98	0.75	1.34	2.21	0.66	7.5
3664-80-M10-32-4	3.15	M 10	1.26	0.75	1.34	2.21	0.66	4
3664-80-M10-32-5.5	3.15	M 10	1.26	0.75	1.34	2.21	0.66	5.5
3664-80-M10-32-7.5	3.15	M 10	1.26	0.75	1.34	2.21	0.66	7.5
3664-80-M10-40-4	3.15	M 10	1.57	0.75	1.34	2.21	0.66	4
3664-80-M10-40-5.5	3.15	M 10	1.57	0.75	1.34	2.21	0.66	5.5
3664-80-M10-40-7.5	3.15	M 10	1.57	0.75	1.34	2.21	0.66	7.5
3664-80-M10-50-4	3.15	M 10	1.97	0.75	1.34	2.21	0.66	4
3664-80-M10-50-5.5	3.15	M 10	1.97	0.75	1.34	2.21	0.66	5.5
3664-80-M10-50-7.5	3.15	M 10	1.97	0.75	1.34	2.21	0.66	7.5
3664-80-M10-63-4	3.15	M 10	2.48	0.75	1.34	2.21	0.66	4
3664-80-M10-63-5.5	3.15	M 10	2.48	0.75	1.34	2.21	0.66	5.5
3664-80-M10-63-7.5	3.15	M 10	2.48	0.75	1.34	2.21	0.66	7.5
3664-80-M12-25-4	3.15	M 12	0.98	0.75	1.34	2.21	0.66	4
3664-80-M12-25-5.5	3.15	M 12	0.98	0.75	1.34	2.21	0.66	5.5
3664-80-M12-25-7.5	3.15	M 12	0.98	0.75	1.34	2.21	0.66	7.5
3664-80-M12-32-4	3.15	M 12	1.26	0.75	1.34	2.21	0.66	4
3664-80-M12-32-5.5	3.15	M 12	1.26	0.75	1.34	2.21	0.66	5.5
3664-80-M12-32-7.5	3.15	M 12	1.26	0.75	1.34	2.21	0.66	7.5
3664-80-M12-40-4	3.15	M 12	1.57	0.75	1.34	2.21	0.66	4
3664-80-M12-40-5.5	3.15	M 12	1.57	0.75	1.34	2.21	0.66	5.5
3664-80-M12-40-7.5	3.15	M 12	1.57	0.75	1.34	2.21	0.66	7.5
3664-80-M12-50-4	3.15	M 12	1.97	0.75	1.34	2.21	0.66	4
3664-80-M12-50-5.5	3.15	M 12	1.97	0.75	1.34	2.21	0.66	5.5
3664-80-M12-50-7.5	3.15	M 12	1.97	0.75	1.34	2.21	0.66	7.5
3664-80-M12-63-4	3.15	M 12	2.48	0.75	1.34	2.21	0.66	4
3664-80-M12-63-5.5	3.15	M 12	2.48	0.75	1.34	2.21	0.66	5.5
3664-80-M12-63-7.5	3.15	M 12	2.48	0.75	1.34	2.21	0.66	7.5

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Metric

Dimensions in: Inch | Metric

d₁	d₄ Thread	Length l					d₅	d₆	h₁	h₂	Torque ±10% in Nm

1.97	M 8	0.63	0.79	0.98	1.26	1.57	0.53	0.93	1.64	0.42	2	3	4
1.97	M 10	0.79	0.98	1.26	1.57	1.97	0.53	0.93	1.64	0.42	2	3	4
2.48	M 8	0.98	1.26	1.57	1.97	2.48	0.63	1.11	1.83	0.51	3.2	4	4.7
2.48	M 10	0.98	1.26	1.57	1.97	2.48	0.63	1.11	1.83	0.51	3.2	4	4.7
3.15	M 10	0.98	1.26	1.57	1.97	2.48	0.75	1.34	2.21	0.66	4	5.5	7.5
3.15	M 12	0.98	1.26	1.57	1.97	2.48	0.75	1.34	2.21	0.66	4	5.5	7.5

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1	49	$42.49
50	99	$38.95
100	249	$35.41
≥ 250		$31.87

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RoHS: -

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