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. 463-8463
BrandRS PRO
€6.28
Each
units
6.4mm 21.3mm - 17.1mm Black - - - Collet -
RS Stock No. 581-903
BrandRS PRO
€2.378
Each (In a Pack of 5)
units
6.35mm 21.1mm - 15.2mm Black Black - - - -
RS Stock No. 259-6935
BrandRS PRO
€0.734
Each (In a Pack of 5)
units
6.35mm 16.2mm - 15mm Black, Red White - - Grub Screw Plastic
RS Stock No. 581-896
BrandRS PRO
€2.168
Each (In a Pack of 5)
units
6.35mm 14mm - 15.2mm Black - - - - Plastic
RS Stock No. 467-6768
BrandRS PRO
€0.274
Each (In a Pack of 5)
units
6.4mm 17mm D Shaped 19.5mm Black Green - - Push-On Plastic
RS Stock No. 465-9921
BrandRS PRO
€2.49
Each (In a Pack of 5)
units
6.35mm 21mm - - Black White - 6.35mm Shafts - -
RS Stock No. 581-947
BrandRS PRO
€3.34
Each (In a Pack of 5)
units
6.35mm 41.9mm - 20.3mm Black White - - - Plastic
RS Stock No. 467-2479
BrandRS PRO
€4.33
Each
units
6mm 16.4mm - 26.7mm Silver White - - Grub Screw Aluminium
RS Stock No. 465-9886
BrandRS PRO
€2.61
Each
units
6.4mm 19mm - 19mm Black - - - Grub Screw Aluminium
RS Stock No. 465-9915
BrandRS PRO
€2.59
Each (In a Pack of 5)
units
6.35mm 14mm - - Black - - 6.35mm Shafts - -
RS Stock No. 499-955
BrandRS PRO
€3.47
Each
units
6.4mm 32mm - 14mm Silver - - - Grub Screw Aluminium
RS Stock No. 498-839
BrandRS PRO
€3.56
Each
units
6.35mm 22mm - 14mm Black Black - - Grub Screw Aluminium
RS Stock No. 467-6106
BrandRS PRO
€0.235
Each (In a Pack of 10)
units
6mm 13mm D Shaped 15mm Black Black, White - - Push-On Plastic
RS Stock No. 499-977
BrandRS PRO
€1.19
Each
units
6.4mm 14mm - 16mm Silver - - - Grub Screw Aluminium
RS Stock No. 463-8479
BrandRS PRO
€2.05
Each
units
6.4mm 14.7mm - 16.2mm Black White - - Collet -
RS Stock No. 581-874
BrandRS PRO
€2.418
Each (In a Pack of 5)
units
6.35mm 21.1mm - 11mm Black - - - Low profile Plastic
RS Stock No. 498-851
BrandRS PRO
€4.25
Each
units
6.4mm 30mm - 15mm Silver - - - Grub Screw Aluminium
RS Stock No. 259-6913
BrandRS PRO
€1.608
Each (In a Pack of 5)
units
6mm 16.2mm - 15mm Black White - - Grub Screw Plastic
RS Stock No. 172-2305
BrandRS PRO
€0.272
Each (In a Box of 500)
units
- 6mm - - Translucent - - - Cap -
RS Stock No. 729-6220
BrandRS PRO
€0.672
Each (In a Pack of 5)
units
- 6mm Circular 18mm Translucent - - - Push-On -
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These RS Brand low-profile potentiometer knobs are suitable ...
Description:
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 standard potentiometer knobs are suitable ...
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These RS Brand standard 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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These RS Brand skirt style potentiometer knobs are suitable for a 635mm 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.
From Atoms, the BT-81 Series control knobs are ...
Description:
From Atoms, the BT-81 Series control knobs are accurate, reliable and stylish Featuring a highly effective rotation brake, these precision control knobs are for use with single-turn potentiometers. BT-81 Series control knobs are available in five different colours. • Total ...