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 Model Knob Type Material
RS Stock No. 581-953
BrandRS PRO
MYR15.084
Each (In a Pack of 5)
units
6, 6.35 mm, 35 mm 14mm - - Black - - Rotary Switch - - -
RS Stock No. 777-7347
BrandRS PRO
MYR2.862
Each (In a Pack of 5)
units
6mm 16.8mm Circular 14.5mm Black Grey - - - Push-On -
RS Stock No. 777-7299
BrandRS PRO
MYR9.43
Each
units
6mm 38.6mm Circular 13.5mm Black - - - - Push-On PVC
RS Stock No. 137-4201
Mfr. Part No.14.38.461
BrandOKW
MYR37.20
Each
units
6mm 32.8mm - 15.9mm Chrome Black - - - Grub Screw Aluminium
RS Stock No. 259-6913
BrandRS PRO
MYR10.072
Each (In a Pack of 5)
units
6mm 16.2mm - 15mm Black White - - - Grub Screw Plastic
RS Stock No. 508-885
Mfr. Part No.11A41B010
BrandVishay
MYR254.37
Each
units
6.35mm 25.4mm - 22.2mm Chrome Black - - - Dial -
RS Stock No. 259-6991
BrandRS PRO
MYR5.886
Each (In a Pack of 5)
units
6.35mm 28mm - 17mm Black, Red White - - - Grub Screw Plastic
RS Stock No. 467-5888
BrandRS PRO
MYR2.151
Each (In a Pack of 10)
units
6mm 13mm Circular 17mm Grey Blue - - - Push-On Rubber
RS Stock No. 167-9519
Mfr. Part No.11A41B010
BrandVishay
MYR244.262
Each (In a Box of 10)
units
6.35mm 25.4mm - 22.2mm Chrome Black - - - Dial -
RS Stock No. 799-9402
Mfr. Part No.SP211 006 BLACK
BrandSifam
MYR22.537
Each (In a Pack of 10)
units
6mm 21mm - 13.5mm Black White - - - Collet Plastic
RS Stock No. 259-6979
BrandRS PRO
MYR4.774
Each (In a Pack of 5)
units
6.35mm 21mm - 17mm Black White - - - Grub Screw Plastic
RS Stock No. 222-014
BrandRS PRO
MYR16.842
Each (In a Pack of 5)
units
6.35mm 42mm - 20mm Black White - - - - Plastic
RS Stock No. 199-6299
Mfr. Part No.23A21B10
BrandVishay
MYR429.19
Each
units
6.35mm 30.6mm - 31.5mm Black Black - - - Figure Dial -
RS Stock No. 126-0445
Mfr. Part No.5000E
MYR10.64
Each
units
- - - - - - - G Model, H Model, J Model, K Model, L Model - - -
RS Stock No. 777-7331
BrandRS PRO
MYR21.36
Each
units
6mm 29.8mm Circular 16mm Black White - - - Push-On Aluminium
RS Stock No. 225-732
Mfr. Part No.S210006-BLK
BrandSifam
MYR12.851
Each (In a Pack of 10)
units
6mm 21mm - 13.5mm Black - - - - Collet Plastic
RS Stock No. 737-7710
Mfr. Part No.H-46-6A
BrandBourns
MYR90.17
Each
units
6.35mm 46mm - 24mm Black - - - - Dial -
RS Stock No. 465-9381
BrandRS PRO
MYR1.126
Each (In a Pack of 10)
units
6.4mm 19mm D Shaped 20mm Black, Red White - - - Push-On Plastic
RS Stock No. 777-7306
BrandRS PRO
MYR22.16
Each
units
6mm 38.6mm - 13.5mm Grey - - - - Grub Screw PVC
RS Stock No. 167-4757
Mfr. Part No.H-46-6A
BrandBourns
MYR87.752
Each (In a Tray of 10)
units
6.35mm 46mm - 24mm Black Black - - - Dial -