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. 581-874
BrandRS PRO
PHP96.356
Each (In a Pack of 5)
units
6.35mm 21.1mm - 11mm Black - - - Low profile Plastic
RS Stock No. 777-7350
BrandRS PRO
PHP24.354
Each (In a Pack of 5)
units
6mm 16.8mm D Shaped 14.5mm Black Green - - Push-On -
RS Stock No. 259-6985
BrandRS PRO
PHP51.446
Each (In a Pack of 5)
units
6.35mm 21mm - 17mm Black, Grey White - - Grub Screw Plastic
RS Stock No. 498-845
BrandRS PRO
PHP158.95
Each
units
6.35mm 16mm - 14mm Black Black - - Grub Screw Aluminium
RS Stock No. 467-5872
BrandRS PRO
PHP16.582
Each (In a Pack of 10)
units
6mm 13mm Circular 17mm Grey Yellow - - Push-On Rubber
RS Stock No. 467-6005
BrandRS PRO
PHP16.582
Each (In a Pack of 10)
units
6mm 13mm D Shaped 15mm Grey Grey - - Push-On Plastic
RS Stock No. 467-5967
BrandRS PRO
PHP16.582
Each (In a Pack of 10)
units
6mm 13mm D Shaped 15mm Grey Red - - Push-On Plastic
RS Stock No. 465-9432
BrandRS PRO
PHP6.512
Each (In a Pack of 10)
units
6.4mm 19mm - 20mm Red White - Potentiometer - Plastic
RS Stock No. 467-2508
BrandRS PRO
PHP207.89
Each
units
6mm 22mm - 26.7mm Black White - - Grub Screw Aluminium
RS Stock No. 581-953
BrandRS PRO
PHP98.918
Each (In a Pack of 5)
units
- 14mm - - Black - - Rotary Switch - -
RS Stock No. 498-902
BrandRS PRO
PHP129.42
Each
units
6.35mm 22mm - 14mm Silver Black - - Grub Screw Aluminium
RS Stock No. 467-5945
BrandRS PRO
PHP13.444
Each (In a Pack of 10)
units
6mm 13.3mm Circular 16.5mm Black Green - - Push-On Plastic
RS Stock No. 172-2303
BrandRS PRO
PHP8.552
Each (In a Box of 500)
units
- 6mm - - Translucent - - Illuminated Encoder - -
RS Stock No. 777-7353
BrandRS PRO
PHP20.266
Each (In a Pack of 5)
units
6mm 16.8mm Circular 14.5mm Black Yellow - - Push-On -
RS Stock No. 463-8485
BrandRS PRO
PHP87.91
Each
units
6mm 14.7mm - 16.2mm Black - - - Collet -
RS Stock No. 466-0410
BrandRS PRO
PHP117.266
Each (In a Pack of 5)
units
6.35mm 28.6mm - 13.4mm Black White - - Pointer -
RS Stock No. 468-0723
BrandRS PRO
PHP50.597
Each (In a Pack of 10)
units
17mm - - 6.4mm Clear - - Collet Knob - Plastic
RS Stock No. 468-0717
BrandRS PRO
PHP39.065
Each (In a Pack of 10)
units
17mm - - 6.4mm Clear - - Collet Knob - Plastic
RS Stock No. 467-2441
BrandRS PRO
PHP212.34
Each
units
6.4mm 19mm - 25.4mm Black White - - Grub Screw Aluminium
RS Stock No. 467-2435
BrandRS PRO
PHP152.48
Each
units
6mm 12.7mm - 25.4mm Silver White - - Grub Screw Aluminium
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