Torque Limiting Knob Screws / GN 3663 (Part Numbers - CAD Download)

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Torque limiting knob screws GN 3663 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 anti-clockwise, the mechanical system locks such that the torque is not limited. 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.
After removing the cover and loosening the countersunk screw, the thread or bore insert can be dismantled.

Part Number

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Part Number
3663-42-M8-16-2
3663-42-M8-16-2,5
3663-42-M8-16-3,2
3663-42-M8-20-2
3663-42-M8-20-2,5
3663-42-M8-20-3,2
3663-42-M8-25-2
3663-42-M8-25-2,5
3663-42-M8-25-3,2
3663-42-M8-32-2
3663-42-M8-32-2,5
3663-42-M8-32-3,2
3663-42-M8-40-2
3663-42-M8-40-2,5
3663-42-M8-40-3,2
3663-42-M10-20-2
3663-42-M10-20-2,5
3663-42-M10-20-3,2
3663-42-M10-25-2
3663-42-M10-25-2,5
3663-42-M10-25-3,2
3663-42-M10-32-2
3663-42-M10-32-2,5
3663-42-M10-32-3,2
3663-42-M10-40-2
3663-42-M10-40-2,5
3663-42-M10-40-3,2
3663-42-M10-50-2
3663-42-M10-50-2,5
3663-42-M10-50-3,2
3663-52-M10-25-2,5
3663-52-M10-25-3
3663-52-M10-25-4
3663-52-M10-32-2,5
3663-52-M10-32-3
3663-52-M10-32-4
3663-52-M10-40-2,5
3663-52-M10-40-3
3663-52-M10-40-4
3663-52-M10-50-2,5
3663-52-M10-50-3
3663-52-M10-50-4
3663-52-M10-63-2,5
3663-52-M10-63-3
3663-52-M10-63-4
3663-52-M12-25-2,5
3663-52-M12-25-3
3663-52-M12-25-4
3663-52-M12-32-2,5
3663-52-M12-32-3
3663-52-M12-32-4
3663-52-M12-40-2,5
3663-52-M12-40-3
3663-52-M12-40-4
3663-52-M12-50-2,5
3663-52-M12-50-3
3663-52-M12-50-4
3663-52-M12-63-2,5
3663-52-M12-63-3
3663-52-M12-63-4

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	Thread d2/d4	Length l (mm)	Diameter d1 (φ)	d4	Torque	Weight (kg)
66.20 € 35.09 €	1	Available	Same day Stock	M 8	16	42	M 8	2, 2	0.150
66.20 €	1	Available	7 Days	M 8	16	42	M 8	2,5, 2,5	0.094
66.20 € 35.09 €	1	Available	Same day Stock	M 8	16	42	M 8	3,2, 3,2	0.095
66.22 € 35.10 €	1	Available	Same day Stock	M 8	20	42	M 8	2, 2	0.057
66.22 € 35.10 €	1	Available	Same day Stock	M 8	20	42	M 8	2,5, 2,5	0.058
66.22 €	1	Available	7 Days	M 8	20	42	M 8	3,2, 3,2	0.060
66.60 €	1	Available	Same day Stock	M 8	25	42	M 8	2, 2	0.200
66.60 € 35.30 €	1	Available	Same day Stock	M 8	25	42	M 8	2,5, 2,5	0.118
66.60 € 35.30 €	1	Available	Same day Stock	M 8	25	42	M 8	3,2, 3,2	0.120
66.64 € 35.32 €	1	Available	Same day Stock	M 8	32	42	M 8	2, 2	0.200
66.64 € 35.32 €	1	Available	Same day Stock	M 8	32	42	M 8	2,5, 2,5	0.200
66.64 €	1	Available	7 Days	M 8	32	42	M 8	3,2, 3,2	0.240
66.54 € 35.27 €	1	Available	Same day Stock	M 8	40	42	M 8	2, 2	0.100
66.54 € 35.27 €	1	Available	Same day Stock	M 8	40	42	M 8	2,5, 2,5	0.110
66.54 € 35.27 €	1	Available	Same day Stock	M 8	40	42	M 8	3,2, 3,2	0.120
66.22 € 35.10 €	1	Available	Same day Stock	M 10	20	42	M 10	2, 2	0.160
66.22 € 35.10 €	1	Available	Same day Stock	M 10	20	42	M 10	2,5, 2,5	0.170
66.22 € 35.10 €	1	Available	Same day Stock	M 10	20	42	M 10	3,2, 3,2	0.125
66.60 €	1	Available	Same day Stock	M 10	25	42	M 10	2, 2	0.122
66.60 € 35.30 €	1	Available	Same day Stock	M 10	25	42	M 10	2,5, 2,5	0.123
66.60 € 35.30 €	1	Available	Same day Stock	M 10	25	42	M 10	3,2, 3,2	0.170
66.64 €	1	Available	7 Days	M 10	32	42	M 10	2, 2	0.126
66.64 € 35.32 €	1	Available	Same day Stock	M 10	32	42	M 10	2,5, 2,5	0.210
66.64 € 35.32 €	1	Available	Same day Stock	M 10	32	42	M 10	3,2, 3,2	0.128
66.54 € 35.27 €	1	Available	Same day Stock	M 10	40	42	M 10	2, 2	0.128
66.54 € 35.27 €	1	Available	Same day Stock	M 10	40	42	M 10	2,5, 2,5	0.129
66.54 € 35.27 €	1	Available	Same day Stock	M 10	40	42	M 10	3,2, 3,2	0.130
67.04 € 35.53 €	1	Available	Same day Stock	M 10	50	42	M 10	2, 2	0.133
67.04 € 35.53 €	1	Available	Same day Stock	M 10	50	42	M 10	2,5, 2,5	0.134
67.04 € 35.53 €	1	Available	Same day Stock	M 10	50	42	M 10	3,2, 3,2	0.135
72.92 € 38.65 €	1	Available	Same day Stock	M 10	25	52	M 10	2,5, 2,5	0.150
72.92 € 38.65 €	1	Available	Same day Stock	M 10	25	52	M 10	3, 3	0.160
72.92 € 38.65 €	1	Available	Same day Stock	M 10	25	52	M 10	4, 4	0.165
73.40 € 38.90 €	1	Available	Same day Stock	M 10	32	52	M 10	2,5, 2,5	0.260
73.40 € 38.90 €	1	Available	Same day Stock	M 10	32	52	M 10	3, 3	0.235
73.40 € 38.90 €	1	Available	Same day Stock	M 10	32	52	M 10	4, 4	0.235
73.52 € 38.97 €	1	Available	Same day Stock	M 10	40	52	M 10	2,5, 2,5	0.170
73.52 € 38.97 €	1	Available	Same day Stock	M 10	40	52	M 10	3, 3	0.175
73.52 € 38.97 €	1	Available	Same day Stock	M 10	40	52	M 10	4, 4	0.180
73.82 € 39.12 €	1	Available	Same day Stock	M 10	50	52	M 10	2,5, 2,5	0.250
73.82 € 39.12 €	1	Available	Same day Stock	M 10	50	52	M 10	3, 3	0.245
73.82 € 39.12 €	1	Available	Same day Stock	M 10	50	52	M 10	4, 4	0.245
74.18 € 39.32 €	1	Available	Same day Stock	M 10	63	52	M 10	2,5, 2,5	0.255
74.18 € 39.32 €	1	Available	Same day Stock	M 10	63	52	M 10	3, 3	0.250
74.18 € 39.32 €	1	Available	Same day Stock	M 10	63	52	M 10	4, 4	0.250
72.92 € 38.65 €	1	Available	Same day Stock	M 12	25	52	M 12	2,5, 2,5	0.243
72.92 € 38.65 €	1	Available	Same day Stock	M 12	25	52	M 12	3, 3	0.238
72.92 € 38.65 €	1	Available	Same day Stock	M 12	25	52	M 12	4, 4	0.238
73.40 € 38.90 €	1	Available	Same day Stock	M 12	32	52	M 12	2,5, 2,5	0.247
73.40 € 38.90 €	1	Available	Same day Stock	M 12	32	52	M 12	3, 3	0.242
73.40 € 38.90 €	1	Available	Same day Stock	M 12	32	52	M 12	4, 4	0.242
73.52 € 38.97 €	1	Available	Same day Stock	M 12	40	52	M 12	2,5, 2,5	0.252
73.52 € 38.97 €	1	Available	Same day Stock	M 12	40	52	M 12	3, 3	0.247
73.52 € 38.97 €	1	Available	Same day Stock	M 12	40	52	M 12	4, 4	0.247
73.82 € 39.12 €	1	Available	Same day Stock	M 12	50	52	M 12	2,5, 2,5	0.260
73.82 € 39.12 €	1	Available	Same day Stock	M 12	50	52	M 12	3, 3	0.255
73.82 € 39.12 €	1	Available	Same day Stock	M 12	50	52	M 12	4, 4	0.255
74.18 € 39.32 €	1	Available	Same day Stock	M 12	63	52	M 12	2,5, 2,5	0.269
74.18 € 39.32 €	1	Available	Same day Stock	M 12	63	52	M 12	3, 3	0.264
74.18 € 39.32 €	1	Available	Same day Stock	M 12	63	52	M 12	4, 4	0.264

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Basic Attributes

Thread d2/d4
M 4

M 5

M 6

M 8

M 10

M 12
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Length l(mm)
12

16

20

25

32

40

50

63
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Diameter d1(φ)
27

34

42

52

62
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d4
M 4

M 5

M 6

M 8

M 10

M 12
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Torque
0,7, 0,7

1, 1

1,5, 1,5

2, 2

2,2, 2,2

2,5, 2,5

3,2, 3,2

3, 3

4, 4

5,5, 5,5
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Type
- 3663
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