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. 499-977
BrandRS PRO
$1.55
Each
units
6.4mm 14mm - 16mm Silver - - - Grub Screw Aluminium
RS Stock No. 259-7039
BrandRS PRO
$1.862
Each (In a Pack of 5)
units
6mm 28mm - 17mm Black White - - Grub Screw Plastic
RS Stock No. 499-949
BrandRS PRO
$5.45
Each
units
6.4mm 22mm - 13mm Silver - - - Grub Screw Aluminium
RS Stock No. 259-6913
BrandRS PRO
$3.412
Each (In a Pack of 5)
units
6mm 16.2mm - 15mm Black White - - Grub Screw Plastic
RS Stock No. 463-8536
BrandRS PRO
$0.99
Each (In a Pack of 5)
units
- - - 5mm Black - - Collet Knob - -
RS Stock No. 581-896
BrandRS PRO
$4.086
Each (In a Pack of 5)
units
6.35mm 14mm - 15.2mm Black - - - - Plastic
RS Stock No. 463-8479
BrandRS PRO
$5.02
Each
units
6.4mm 14.7mm - 16.2mm Black White - - Collet -
RS Stock No. 498-845
BrandRS PRO
$4.85
Each
units
6.35mm 16mm - 14mm Black Black - - Grub Screw Aluminium
RS Stock No. 581-969
BrandRS PRO
$4.262
Each (In a Pack of 5)
units
- 21mm - - Black White - Rotary Switch - -
RS Stock No. 465-9381
BrandRS PRO
$0.41
Each (In a Pack of 10)
units
6.4mm 19mm D Shaped 20mm Black, Red White - - Push-On Plastic
RS Stock No. 465-9397
BrandRS PRO
$1.274
Each (In a Pack of 10)
units
6.35mm 15.7mm - 19mm Black, Red - - - Push-On Plastic
RS Stock No. 223-742
BrandRS PRO
$1.606
Each (In a Pack of 5)
units
6.4mm 32mm - 13.7mm Black White - - Grub Screw Plastic
RS Stock No. 463-8457
BrandRS PRO
$4.88
Each
units
6.4mm 14.7mm - 16.2mm Black - - - Collet -
RS Stock No. 259-6812
BrandRS PRO
$1.702
Each (In a Pack of 5)
units
3.175mm 11.6mm - 10mm Black White - - Grub Screw Plastic
RS Stock No. 259-6935
BrandRS PRO
$1.474
Each (In a Pack of 5)
units
6.35mm 16.2mm - 15mm Black, Red White - - Grub Screw Plastic
RS Stock No. 465-9448
BrandRS PRO
$0.319
Each (In a Pack of 10)
units
6.4mm 19mm - 20mm Black White - Potentiometer - Plastic
RS Stock No. 259-6957
BrandRS PRO
$1.578
Each (In a Pack of 5)
units
6.35mm 16.2mm - 15mm Black, Grey White - - Grub Screw Plastic
RS Stock No. 463-8463
BrandRS PRO
$5.33
Each
units
6.4mm 21.3mm - 17.1mm Black - - - Collet -
RS Stock No. 259-6941
BrandRS PRO
$1.538
Each (In a Pack of 5)
units
6.4mm 16mm - 15mm Black White - - Grub Screw Plastic
RS Stock No. 581-931
BrandRS PRO
$5.722
Each (In a Pack of 5)
units
6.35mm 28.4mm - 15.2mm Black White - - - Plastic
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Description:
A selection of black high-quality compression mouldings with brass bushes suitable for inch diameter spindles The knobs are recessed to accommodate control mounting nuts, except the Standard inch version, which also has a 6BA grub-screw. All other knobs have 4BA ...
A selection of black high-quality compression mouldings with ...
Description:
A selection of black high-quality compression mouldings with brass bushes suitable for inch diameter spindles The knobs are recessed to accommodate control mounting nuts, except the Standard inch version, which also has a 6BA grub-screw. All other knobs have 4BA ...
These RS Brand skirt style potentiometer knobs are ...
Description:
These RS Brand skirt style potentiometer knobs are suitable for a 635mm shaft. With brass bushings and a high-quality plastic shell, these potentiometer knobs are durable and practical. They are ideal for a variety of applications and environments.
Choice of satin anodised finish with white markings ...
Description:
Choice of satin anodised finish with white markings on a black background or black chrome with white markings High quality precision mechanism with ball bearing movement Positive 'click' action transfer point Locking lever for fixed position, special mounting spacer