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

Torque Limiting Knob Screws / GN 3663
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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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the corresponding part number is displayed here.

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
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
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Thread d2/d4 Length l
(mm)
Diameter d1
(φ)
d4 Torque Weight
(kg)

66.20 €

1 Available Same day

Stock

M 81642M 82, 20.150

66.20 €

1 Available 7 Days M 81642M 82,5, 2,50.094

66.20 €

1 Available Same day

Stock

M 81642M 83,2, 3,20.095

66.22 €

1 Available Same day

Stock

M 82042M 82, 20.057

66.22 €

1 Available Same day

Stock

M 82042M 82,5, 2,50.058

66.22 €

1 Available 7 Days M 82042M 83,2, 3,20.060

66.60 €

1 Available Same day

Stock

M 82542M 82, 20.200

66.60 €

1 Available Same day

Stock

M 82542M 82,5, 2,50.118

66.60 €

1 Available Same day

Stock

M 82542M 83,2, 3,20.120

66.64 €

1 Available Same day

Stock

M 83242M 82, 20.200

66.64 €

1 Available Same day

Stock

M 83242M 82,5, 2,50.200

66.64 €

1 Available 7 Days M 83242M 83,2, 3,20.240

66.54 €

1 Available Same day

Stock

M 84042M 82, 20.100

66.54 €

1 Available Same day

Stock

M 84042M 82,5, 2,50.110

66.54 €

1 Available Same day

Stock

M 84042M 83,2, 3,20.120

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