Potentiometer Knobs

A potentiometer knob is an accessory that is used as a control knob for a potentiometer.

How do they work?
Many potentiometers knobs are simply push on and can easily be fitted to the potentiometer shaft. Others use a fixing such as a nut, grub screw or blind set screw to fix them in place. The knob can be used to turn the potentiometer, like a volume control knob on a stereo.

What different types are there?
A huge variety of potentiometer knobs are available to suit virtually any application. When choosing the right knob for your potentiometer, you must always check the shaft diameter of the potentiometer. This helps to narrow your options down. Most knobs are cylindrical, but rectangular shaped knobs are available for slider potentiometers. Potentiometer knobs are available in different colours.
Some potentiometer knobs feature a small skirt at the bottom, which can have numbers around it. Others feature a pointer or coloured indicator, which can be helpful for seeing how far a potentiometer has been turned.
Some potentiometer knobs are also multi-turn. They may feature a locking mechanism and a turn counter which shows the number of rotations of the potentiometer knob.
Material
The material that the knob is manufactured from can help you to determine whether it is suitable for your application. Potentiometers knobs are commonly manufactured from plastic (often with a brass insert) or aluminium, and some have soft touch rubber finishes.

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Description Price Shaft Size Knob Diameter Shaft Type Knob Height Body Colour Indicator Colour Depth For Use With Knob Type Material
RS Stock No. 465-9448
BrandRS PRO
£0.218
Each (In a Pack of 10)
Units
6.4mm 19mm - 20mm Black White - Potentiometer - Plastic
RS Stock No. 498-839
BrandRS PRO
£2.98
Each
Units
6.35mm 22mm - 14mm Black Black - - Grub Screw Aluminium
RS Stock No. 463-8508
BrandRS PRO
£1.05
Each
Units
6mm 21.3mm - 17.1mm Black - - - Collet -
RS Stock No. 172-8227
BrandRS PRO
£25.077
Each (In a Box of 50)
Units
6.35mm 7.2mm - 20.3mm Black - - - Dial -
RS Stock No. 502-174
BrandRS PRO
£29.48
Each
Units
6.35mm 7.2mm - 20.3mm Black Black - - Dial -
RS Stock No. 467-2520
BrandRS PRO
£7.52
Each
Units
6mm 31.8mm - 26.7mm Silver White - - Grub Screw Aluminium
RS Stock No. 465-9915
BrandRS PRO
£2.292
Each (In a Pack of 5)
Units
6.35mm 14mm - - Black - - 6.35mm Shafts - -
RS Stock No. 259-7045
BrandRS PRO
£0.77
Each (In a Pack of 5)
Units
6mm 28mm - 17mm Black, Grey White - - Grub Screw Plastic
RS Stock No. 259-6985
BrandRS PRO
£0.858
Each (In a Pack of 5)
Units
6.35mm 21mm - 17mm Black, Grey White - - Grub Screw Plastic
RS Stock No. 498-823
BrandRS PRO
£2.81
Each
Units
6.35mm 28mm - 14mm Black Black - - Grub Screw Aluminium
RS Stock No. 467-2536
BrandRS PRO
£6.27
Each
Units
6mm 31.8mm - 26.7mm Black White - - Grub Screw Aluminium
RS Stock No. 465-9410
BrandRS PRO
£0.116
Each (In a Pack of 10)
Units
6.4mm 19mm - 20mm Green White - Potentiometer - Plastic
RS Stock No. 259-6963
BrandRS PRO
£1.10
Each (In a Pack of 5)
Units
6.35mm 21mm - 17mm Black, Red White - - Grub Screw Plastic
RS Stock No. 259-6806
BrandRS PRO
£0.668
Each (In a Pack of 5)
Units
3.175mm 11.6mm - 10mm Black, Red White - - Grub Screw Plastic
RS Stock No. 463-8592
BrandRS PRO
£0.802
Each (In a Pack of 5)
Units
- - - 5mm Black - - Collet Knob Pointer -
RS Stock No. 259-6991
BrandRS PRO
£0.81
Each (In a Pack of 5)
Units
6.35mm 28mm - 17mm Black, Red White - - Grub Screw Plastic
RS Stock No. 465-9381
BrandRS PRO
£0.155
Each (In a Pack of 10)
Units
6.4mm 19mm D Shaped 20mm Black, Red White - - Push-On Plastic
RS Stock No. 498-895
BrandRS PRO
£2.92
Each
Units
6.35mm 28mm - 14mm Silver Black - - Grub Screw Aluminium
RS Stock No. 581-868
BrandRS PRO
£1.788
Each (In a Pack of 5)
Units
6.35mm 14mm - 11mm Black - - - Low profile Plastic
RS Stock No. 465-9864
BrandRS PRO
£3.17
Each
Units
6.4mm 30mm - 12.5mm Silver Black - - Grub Screw Aluminium
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These RS Brand standard potentiometer knobs are suitable ...
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