Torque limiting knob screws

Torque limiting knob screws
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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
3663-52-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
3663-62-M12-25-3
3663-62-M12-25-4
3663-62-M12-25-5,​5
3663-62-M12-32-3
3663-62-M12-32-4
3663-62-M12-32-5,​5
3663-62-M12-40-3
3663-62-M12-40-4
3663-62-M12-40-5,​5
3663-62-M12-50-3
3663-62-M12-50-4
3663-62-M12-50-5,​5
3663-62-M12-63-3
3663-62-M12-63-4
3663-62-M12-63-5,​5
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)

68.90 €

1 Available Same day

Stock

M 122552M 122,5, 2,50.243

68.90 €

1 Available Same day

Stock

M 122552M 123, 30.238

68.90 €

1 Available Same day

Stock

M 122552M 124, 40.238

69.36 €

1 Available Same day

Stock

M 123252M 122,5, 2,50.247

69.36 €

1 Available Same day

Stock

M 123252M 123, 30.242

69.36 €

1 Available Same day

Stock

M 123252M 124, 40.242

69.48 €

1 Available Same day

Stock

M 124052M 122,5, 2,50.252

69.48 €

1 Available Same day

Stock

M 124052M 123, 30.247

69.48 €

1 Available Same day

Stock

M 124052M 124, 40.247

69.76 €

1 Available Same day

Stock

M 125052M 122,5, 2,50.260

69.76 €

1 Available Same day

Stock

M 125052M 123, 30.255

69.76 €

1 Available Same day

Stock

M 125052M 124, 40.255

70.08 €

1 Available Same day

Stock

M 126352M 122,5, 2,50.269

70.08 €

1 Available Same day

Stock

M 126352M 123, 30.264

70.08 €

1 Available Same day

Stock

M 126352M 124, 40.264

73.68 €

1 Available Same day

Stock

M 122562M 123, 30.269

73.68 €

1 Available Same day

Stock

M 122562M 124, 40.500

73.68 €

1 Available Same day

Stock

M 122562M 125,5, 5,50.500

73.88 €

1 Available Same day

Stock

M 123262M 123, 30.273

73.88 €

1 Available Same day

Stock

M 123262M 124, 40.274

73.88 €

1 Available Same day

Stock

M 123262M 125,5, 5,50.275

74.38 €

1 Available Same day

Stock

M 124062M 123, 30.278

74.38 €

1 Available Same day

Stock

M 124062M 124, 40.279

74.38 €

1 Available Same day

Stock

M 124062M 125,5, 5,50.280

74.26 €

1 Available Same day

Stock

M 125062M 123, 30.286

74.26 €

1 Available Same day

Stock

M 125062M 124, 40.287

74.26 €

1 Available Same day

Stock

M 125062M 125,5, 5,50.288

74.56 €

1 Available Same day

Stock

M 126362M 123, 30.295

74.56 €

1 Available Same day

Stock

M 126362M 124, 40.296

74.56 €

1 Available Same day

Stock

M 126362M 125,5, 5,50.297

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