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. 729-6223
BrandRS PRO
€0.084
Each (In a Pack of 5)
units
- 6mm - - Translucent - - Illuminated Encoder - -
RS Stock No. 172-2303
BrandRS PRO
€0.152
Each (In a Box of 500)
units
- 6mm - - Translucent - - Illuminated Encoder - -
RS Stock No. 465-9937
BrandRS PRO
€2.738
Each (In a Pack of 5)
units
6.35mm 29mm - - Black - - 6.35mm Shafts - -
RS Stock No. 777-7366
BrandRS PRO
€0.468
Each (In a Pack of 5)
units
6mm 16.8mm D Shaped 14.5mm Black White - - Push-On -
RS Stock No. 498-823
BrandRS PRO
€3.18
Each
units
6.35mm 28mm - 14mm Black Black - - Grub Screw Aluminium
RS Stock No. 465-8849
BrandRS PRO
€4.026
Each (In a Pack of 5)
units
6.35mm - - 15.9mm Black White - - Grub Screw Plastic
RS Stock No. 467-6033
BrandRS PRO
€0.40
Each (In a Pack of 5)
units
6mm 17mm D Shaped 19.5mm Black Yellow - - Push-On Plastic
RS Stock No. 581-953
BrandRS PRO
€2.372
Each (In a Pack of 5)
units
6, 6.35 mm, 35 mm 14mm - - Black - - Rotary Switch - -
RS Stock No. 463-8536
BrandRS PRO
€0.548
Each (In a Pack of 5)
units
11mm - - 5mm Black - - Collet Knob - -
RS Stock No. 465-9870
BrandRS PRO
€4.49
Each
units
6.4mm 30mm - 12.5mm Black White - - Grub Screw Aluminium
RS Stock No. 467-5894
BrandRS PRO
€0.244
Each (In a Pack of 10)
units
6mm 13mm Circular 17mm Grey Green - - Push-On Rubber
RS Stock No. 467-2536
BrandRS PRO
€7.09
Each
units
6mm 31.8mm - 26.7mm Black White - - Grub Screw Aluminium
RS Stock No. 222-014
BrandRS PRO
€2.62
Each (In a Pack of 5)
units
6.35mm 42mm - 20mm Black White - - - Plastic
RS Stock No. 467-2441
BrandRS PRO
€4.77
Each
units
6.4mm 19mm - 25.4mm Black White - - Grub Screw Aluminium
RS Stock No. 467-6011
BrandRS PRO
€0.235
Each (In a Pack of 10)
units
6mm 13mm D Shaped 15mm Grey Black - - Push-On Plastic
RS Stock No. 581-868
BrandRS PRO
€2.136
Each (In a Pack of 5)
units
6.35mm 14mm - 11mm Black - - - Low profile Plastic
RS Stock No. 259-7023
BrandRS PRO
€0.898
Each (In a Pack of 5)
units
6mm 28mm - 17mm Black, Red White - - Grub Screw Plastic
RS Stock No. 463-8457
BrandRS PRO
€1.89
Each
units
6.4mm 14.7mm - 16.2mm Black - - - Collet -
RS Stock No. 467-6099
BrandRS PRO
€0.396
Each (In a Pack of 5)
units
4mm 11mm - 16mm Black White 9.0mm - Slide Plastic
RS Stock No. 777-7325
BrandRS PRO
€1.67
Each
units
6mm 14.8mm Circular 15.6mm Black White - - Push-On Aluminium
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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 ...
Description:
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 ...