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. 137-4150
Mfr. Part No.13.17.860
BrandOKW
$9.74
Each
units
6mm 20.3mm - 12.8mm Black White - - Grub Screw Plastic
RS Stock No. 137-5096
Mfr. Part No.25.31.060
BrandOKW
$7.42
Each
units
6mm 31mm - 15mm Black White - - Collet Plastic
RS Stock No. 137-4194
Mfr. Part No.14.22.461
BrandOKW
$13.04
Each
units
6mm 22.5mm - 12mm Chrome Black - - Grub Screw Aluminium
RS Stock No. 137-5030
Mfr. Part No.4413060
BrandOKW
$3.59
Each
units
- - - - Clear Black - Collet Knob - Plastic
RS Stock No. 137-4302
Mfr. Part No.A2616060
BrandOKW
$7.93
Each
units
6mm 16mm - 15mm Black White - - Collet Plastic
RS Stock No. 137-4762
Mfr. Part No.A 2613060
BrandOKW
$4.99
Each
units
6mm 13mm - 15mm Black White - - Collet Plastic
RS Stock No. 137-4661
Mfr. Part No.2513040
BrandOKW
$6.76
Each
units
4mm - - 15.5mm Black White - - Collet -
RS Stock No. 137-4790
Mfr. Part No.4113000
BrandOKW
$1.86
Each
units
- 13.5mm - - Black - - Collet Knob - Plastic
RS Stock No. 137-4633
Mfr. Part No.44.16.060
BrandOKW
$5.14
Each
units
- - - - Black Black - Collet Knob - Plastic
RS Stock No. 137-5462
Mfr. Part No.A2510030
BrandOKW
$6.09
Each
units
3mm 10.5mm - 14mm Black - - - Collet Plastic
RS Stock No. 137-4318
Mfr. Part No.2516060
BrandOKW
$5.94
Each
units
6mm 16mm - 15mm Black White - - Collet Plastic
RS Stock No. 137-5478
Mfr. Part No.2610030
BrandOKW
$5.68
Each
units
3mm 10.5mm - 14mm Black White - - Collet Plastic
RS Stock No. 137-4885
Mfr. Part No.7513010
BrandOKW
$2.30
Each
units
- - - - Black White - Collet Knob Nut Cover Plastic
RS Stock No. 137-5608
Mfr. Part No.A7510010
BrandOKW
$2.44
Each
units
- - - - Black White - Collet Knob Nut Cover Plastic
RS Stock No. 137-5074
Mfr. Part No.A2631060
BrandOKW
$8.28
Each
units
6mm 31mm - 15mm Black White - - Collet Plastic
RS Stock No. 137-4201
Mfr. Part No.14.38.461
BrandOKW
$16.02
Each
units
6mm 32.8mm - 15.9mm Chrome Black - - Grub Screw Aluminium