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. 486-7188
Mfr. Part No.21PA11B10
BrandVishay
R 324.48
Each
units
6.35mm 46mm - 24.6mm Chrome Black - - Dial Plastic
RS stock no. 467-6106
BrandRS PRO
R 4.042
Each (In a Pack of 10)
units
6mm 13mm D Shaped 15mm Black Black, White - - Push-On Plastic
RS stock no. 259-6913
BrandRS PRO
R 23.326
Each (In a Pack of 5)
units
6mm 16.2mm - 15mm Black White - - Grub Screw Plastic
RS stock no. 777-7319
BrandRS PRO
R 27.54
Each
units
6mm 20mm Circular 17mm Black White - - Push-On Aluminium
RS stock no. 463-8514
BrandRS PRO
R 20.28
Each
units
6mm 14.7mm - 16.2mm Black White - - Collet -
RS stock no. 107-3138
Mfr. Part No.21A11B10
BrandVishay
R 504.03
Each
units
6.35mm 46mm - 25.4mm Silver Black - - Dial -
RS stock no. 225-956
Mfr. Part No.C210-BLK
BrandSifam
R 3.006
Each (In a Pack of 10)
units
- 21mm - - Black - - Collet Knob - Nylon
RS stock no. 745-5814
Mfr. Part No.4-1437624-6
R 42.36
Each
units
- - - - - - - - - -
RS stock no. 777-7350
BrandRS PRO
R 7.568
Each (In a Pack of 5)
units
6mm 16.8mm D Shaped 14.5mm Black Green - - Push-On -
RS stock no. 783-0154
Mfr. Part No.PKES120B1/4
R 40.68
Each
units
6.35mm 33mm - 15.9mm Black White - - Grub Screw Plastic
RS stock no. 225-732
Mfr. Part No.S210006-BLK
BrandSifam
R 41.929
Each (In a Pack of 10)
units
6mm 21mm - 13.5mm Black - - - Collet Plastic
RS stock no. 581-953
BrandRS PRO
R 41.196
Each (In a Pack of 5)
units
- 14mm - - Black - - Rotary Switch - -
RS stock no. 199-6306
Mfr. Part No.26A21B010
BrandVishay
R 1,049.07
Each
units
6.35mm 30.6mm - 31.5mm Black Black - - Dial -
RS stock no. 581-896
BrandRS PRO
R 32.28
Each (In a Pack of 5)
units
6.35mm 14mm - 15.2mm Black - - - - Plastic
RS stock no. 737-7701
Mfr. Part No.H-22-6A
BrandBourns
R 278.82
Each
units
6.35mm 22.2mm - 21.3mm Chrome - - - Dial -
RS stock no. 167-4559
Mfr. Part No.H-22-6A
BrandBourns
R 154.155
Each (In a Tray of 10)
units
6.35mm 22.2mm - 21.3mm Chrome Black - - Dial -
RS stock no. 299-4957
Mfr. Part No.3/03/TPN130-006/237/224
BrandSifam
R 10.476
Each (In a Pack of 5)
units
6mm 18.9mm Circular 15mm Black White - - Push-On -
RS stock no. 167-9594
Mfr. Part No.26A21B010
BrandVishay
R 826.625
Each (In a Box of 10)
units
6.35mm 30.6mm - 31.5mm Black Black - - Dial -
RS stock no. 259-7039
BrandRS PRO
R 16.32
Each (In a Pack of 5)
units
6mm 28mm - 17mm Black White - - Grub Screw Plastic
RS stock no. 811-153
Mfr. Part No.15A33B010
BrandVishay
R 864.42
Each
units
6.35mm 17.7mm - 11.9mm Black White - - Dial -