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. 111-0956
Mfr. Part No.S211 006BK
BrandSifam
$6.706
Each (In a Pack of 10)
units
6mm 21mm - 17.7mm Black, Grey Grey - - Collet Plastic
RS Stock No. 281-7210
Mfr. Part No.4/02 LK110 08
BrandSifam
$0.982
Each (In a Pack of 5)
units
- - - 10mm Black White - - Slide Plastic
RS Stock No. 281-7204
Mfr. Part No.4/02 LK150 01
BrandSifam
$1.024
Each (In a Pack of 5)
units
- - - 10mm Black White - - Slide Plastic
RS Stock No. 799-9402
Mfr. Part No.SP211 006 BLACK
BrandSifam
$7.676
Each (In a Pack of 10)
units
6mm 21mm - 13.5mm Black White - - Collet Plastic
RS Stock No. 281-7197
Mfr. Part No.4/02 LK110 01
BrandSifam
$1.146
Each (In a Pack of 5)
units
- - - 10mm Black White - - Slide Plastic
RS Stock No. 279-9055
Mfr. Part No.05 LK081 04
BrandSifam
$0.772
Each (In a Pack of 5)
units
- - - 12mm Black White - - Slide Plastic
RS Stock No. 111-0984
Mfr. Part No.P210BK
BrandSifam
$0.377
Each (In a Pack of 10)
units
- 21mm - - Black Black - Collet Knob Pointer Nylon
RS Stock No. 281-7226
Mfr. Part No.4/02 LK150 08
BrandSifam
$1.064
Each (In a Pack of 5)
units
- - - 10mm Black White - - Slide Plastic
RS Stock No. 279-9061
Mfr. Part No.05 LK121 04
BrandSifam
$0.928
Each (In a Pack of 5)
units
- - - 12mm Black White - - Slide Plastic
RS Stock No. 407-2425
Mfr. Part No.SP111 004 BLACK
BrandSifam
$4.359
Each (In a Pack of 10)
units
4mm 11.5mm - 14mm Black Black - - Collet Plastic
RS Stock No. 225-978
Mfr. Part No.C211-GRY
BrandSifam
$0.663
Each (In a Pack of 10)
units
- 21mm - - Grey Black - Collet Knob - Nylon
RS Stock No. 279-9049
Mfr. Part No.4/02 LK150 04
BrandSifam
$0.756
Each (In a Pack of 5)
units
- - - 10mm Black White - - Slide Plastic
RS Stock No. 225-877
Mfr. Part No.N151-BLK
BrandSifam
$1.52
Each (In a Pack of 10)
units
- 15mm - - Black White - Collet Knob Nut Cover Nylon
RS Stock No. 299-4799
Mfr. Part No.3/03/DP110-004/237/224
BrandSifam
$1.274
Each (In a Pack of 5)
units
4mm 11mm D Shaped 13.5mm Black White - - Push-On -
RS Stock No. 225-732
Mfr. Part No.S210006-BLK
BrandSifam
$5.174
Each (In a Pack of 10)
units
6mm 21mm - 13.5mm Black - - - Collet Plastic
RS Stock No. 279-9027
Mfr. Part No.4/02 LK110 04
BrandSifam
$0.796
Each (In a Pack of 5)
units
- - - 10mm Black White - - Slide Plastic
RS Stock No. 225-883
Mfr. Part No.C150-GRY
BrandSifam
$0.319
Each (In a Pack of 10)
units
- 15mm - - Grey - - Collet Knob - Nylon
RS Stock No. 111-4100
Mfr. Part No.S291 250BK
BrandSifam
$9.482
Each (In a Pack of 10)
units
6.35mm 29mm - 17.9mm Black, Grey White - - Collet Nylon
RS Stock No. 299-4812
Mfr. Part No.3/03/DR110-006/237/224
BrandSifam
$1.414
Each (In a Pack of 5)
units
6mm 11mm D Shaped 13.5mm Black White - - Push-On -
RS Stock No. 299-4884
Mfr. Part No.3/03/TP110-006/237/233
BrandSifam
$1.282
Each (In a Pack of 5)
units
6mm 11.5mm Circular 13.5mm Black Blue - - Push-On -