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. 223-742
BrandRS PRO
€0.752
Each (In a Pack of 5)
units
6.4mm 32mm - 13.7mm Black White - - Grub Screw Plastic
RS Stock No. 892-8391
Mfr. Part No.5000E
€2.204
Each (In a Pack of 10)
units
- - - - Black - - G Rheostat and Tab Switch Models, H Rheostat and Tab Switch Models, J Rheostat and Tab Switch Models, K Rheostat and Tab Switch Models, L Rheostat and Tab Switch Models Dial Aluminium
RS Stock No. 467-2429
BrandRS PRO
€3.23
Each
units
6mm 12.7mm - 25.4mm Black White - - Grub Screw Aluminium
RS Stock No. 467-6689
BrandRS PRO
€0.144
Each (In a Pack of 10)
units
6.4mm 13mm D Shaped 15mm Black Red - - Push-On Plastic
RS Stock No. 777-7300
BrandRS PRO
€1.60
Each
units
6mm 20mm Circular 17mm Black White - - Push-On Aluminium
RS Stock No. 281-7210
Mfr. Part No.4/02 LK110 08
BrandSifam
€0.378
Each (In a Pack of 5)
units
- - - 10mm Black White - - Slide Plastic
RS Stock No. 463-8542
BrandRS PRO
€0.612
Each (In a Pack of 5)
units
- - - 5mm Black - - Collet Knob - -
RS Stock No. 783-0142
Mfr. Part No.KLN1250A1/4
€15.81
Each
units
6.35mm 31.8mm - 15.9mm Natural Black - - Grub Screw Aluminium
RS Stock No. 466-4995
BrandRS PRO
€0.354
Each (In a Pack of 5)
units
6.4mm 21mm - 17mm Black White - - Grub Screw Plastic
RS Stock No. 259-6941
BrandRS PRO
€0.694
Each (In a Pack of 5)
units
6.4mm 16mm - 15mm Black White - - Grub Screw Plastic
RS Stock No. 259-7017
BrandRS PRO
€0.916
Each (In a Pack of 5)
units
6.4mm 28mm - 17mm Black, Grey White - - Grub Screw Plastic
RS Stock No. 467-2435
BrandRS PRO
€3.33
Each
units
6mm 12.7mm - 25.4mm Silver White - - Grub Screw Aluminium
RS Stock No. 225-956
Mfr. Part No.C210-BLK
BrandSifam
€0.163
Each (In a Pack of 10)
units
- 21mm - - Black - - Collet Knob - Nylon
RS Stock No. 581-931
BrandRS PRO
€2.524
Each (In a Pack of 5)
units
6.35mm 28.4mm - 15.2mm Black White - - - Plastic
RS Stock No. 737-7710
Mfr. Part No.H-46-6A
BrandBourns
€18.46
Each
units
6.35mm 46mm - 24mm Black - - - Dial -
RS Stock No. 467-6077
BrandRS PRO
€0.376
Each (In a Pack of 5)
units
1.2 x 4mm 14 x 11mm - 12mm Black White 11.0mm - Slide Plastic
RS Stock No. 467-6718
BrandRS PRO
€0.144
Each (In a Pack of 10)
units
6.4mm 13mm D Shaped 15mm Grey Grey - - Push-On Plastic
RS Stock No. 467-2491
BrandRS PRO
€5.39
Each
units
6mm 22mm - 26.7mm Silver White - - Grub Screw Aluminium
RS Stock No. 467-2520
BrandRS PRO
€8.50
Each
units
6mm 31.8mm - 26.7mm Silver White - - Grub Screw Aluminium
RS Stock No. 737-7714
Mfr. Part No.H-46-6A-1
BrandBourns
€18.25
Each
units
6.35mm 46mm - 24mm Black, Chrome - - - Dial -
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The Vishay 15A31B010 is the Model 15 3-digit ...
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These RS Brand standard potentiometer knobs are suitable ...
Description:
These RS Brand standard potentiometer knobs are suitable for a 6.35mm shaft. With Brass bushings and a high-quality plastic casing, these potentiometer knobs are durable and practical. With a range of compatible knob skirts available, they are ideal for a ...
These RS Brand skirt style potentiometer knobs are ...
Description:
These RS Brand skirt style potentiometer knobs are suitable for a 6.35mm 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.