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. 467-2508
BrandRS PRO
€5.42
Each
units
6mm 22mm - 26.7mm Black White - - Grub Screw Aluminium
RS Stock No. 465-9381
BrandRS PRO
€0.175
Each (In a Pack of 10)
units
6.4mm 19mm D Shaped 20mm Black, Red White - - Push-On Plastic
RS Stock No. 172-2304
Mfr. Part No.CL1709762
€0.217
Each (In a Bag of 125)
units
- 6mm - - Translucent Black - Illuminated Encoder - -
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. 467-2429
BrandRS PRO
€3.23
Each
units
6mm 12.7mm - 25.4mm Black White - - Grub Screw Aluminium
RS Stock No. 467-2491
BrandRS PRO
€5.39
Each
units
6mm 22mm - 26.7mm Silver White - - Grub Screw Aluminium
RS Stock No. 167-4757
Mfr. Part No.H-46-6A
BrandBourns
€16.788
Each (In a Tray of 10)
units
6.35mm 46mm - 24mm Black Black - - Dial -
RS Stock No. 279-9055
Mfr. Part No.05 LK081 04
BrandSifam
€0.38
Each (In a Pack of 5)
units
- - - 12mm Black White - - Slide 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. 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. 126-0445
Mfr. Part No.5000E
€2.46
Each
units
- - - - - - - G Model, H Model, J Model, K Model, L Model - -
RS Stock No. 222-008
BrandRS PRO
€2.402
Each (In a Pack of 5)
units
6.35mm 28.4mm - 15.2mm Black White - - Grub Screw -
RS Stock No. 463-8542
BrandRS PRO
€0.612
Each (In a Pack of 5)
units
- - - 5mm Black - - Collet Knob - -
RS Stock No. 299-4985
Mfr. Part No.3/03/TPN130-006/237/230
BrandSifam
€0.568
Each (In a Pack of 5)
units
6mm 18.9mm Circular 15mm Black Red - - Push-On -
RS Stock No. 357-6853
Mfr. Part No.CT 85 D 6.35 BLEU-2B-3B
BrandAtoms
€14.31
Each
units
6mm 23mm - 24mm Blue - - CT85B Series Dial -
RS Stock No. 498-924
BrandRS PRO
€3.39
Each
units
6.4mm 29mm - 14mm Silver - - - Grub Screw Aluminium
RS Stock No. 407-2453
Mfr. Part No.SP151 250 BLACK
BrandSifam
€2.361
Each (In a Pack of 10)
units
6.35mm 15.5mm - 14.3mm Black Black - - Collet 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. 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. 467-2520
BrandRS PRO
€8.50
Each
units
6mm 31.8mm - 26.7mm Silver White - - Grub Screw Aluminium
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A ten turn 222-mm diameter dial mechanism suitable ...
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These RS Brand low-profile potentiometer knobs are suitable ...
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These RS Brand low-profile potentiometer knobs are suitable for a 635mm 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 ...
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