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. 463-8536
BrandRS PRO
$1.088
Each (In a Pack of 5)
units
- - - 5mm Black - - Collet Knob - -
RS Stock No. 466-4995
BrandRS PRO
$3.508
Each (In a Pack of 5)
units
6.4mm 21mm - 17mm Black White - - Grub Screw Plastic
RS Stock No. 777-7293
BrandRS PRO
$3.61
Each
units
6mm 38.6mm Circular 13.5mm White - - - Push-On PVC
RS Stock No. 467-5894
BrandRS PRO
$0.416
Each (In a Pack of 10)
units
6mm 13mm Circular 17mm Grey Green - - Push-On Rubber
RS Stock No. 259-6935
BrandRS PRO
$1.622
Each (In a Pack of 5)
units
6.35mm 16.2mm - 15mm Black, Red White - - Grub Screw Plastic
RS Stock No. 777-7280
BrandRS PRO
$5.08
Each
units
6mm 38.6mm Circular 13.5mm Grey - - - Push-On PVC
RS Stock No. 467-5866
BrandRS PRO
$0.387
Each (In a Pack of 10)
units
6mm 13mm Circular 17mm Grey Red - - Push-On Rubber
RS Stock No. 499-949
BrandRS PRO
$6.00
Each
units
6.4mm 22mm - 13mm Silver - - - Grub Screw Aluminium
RS Stock No. 581-919
BrandRS PRO
$6.922
Each (In a Pack of 5)
units
6.35mm 29.5mm - 20.3mm Black - - - - Plastic
RS Stock No. 468-0644
BrandRS PRO
$0.567
Each (In a Pack of 10)
units
11.1mm - - 6mm Clear - - Collet Knob - Plastic
RS Stock No. 499-983
BrandRS PRO
$2.20
Each
units
4mm 18mm - 12mm Silver - - - Grub Screw Aluminium
RS Stock No. 259-6985
BrandRS PRO
$2.51
Each (In a Pack of 5)
units
6.35mm 21mm - 17mm Black, Grey White - - Grub Screw Plastic
RS Stock No. 581-969
BrandRS PRO
$4.688
Each (In a Pack of 5)
units
- 21mm - - Black White - Rotary Switch - -
RS Stock No. 498-823
BrandRS PRO
$7.47
Each
units
6.35mm 28mm - 14mm Black Black - - Grub Screw Aluminium
RS Stock No. 259-7023
BrandRS PRO
$2.284
Each (In a Pack of 5)
units
6mm 28mm - 17mm Black, Red White - - Grub Screw Plastic
RS Stock No. 581-868
BrandRS PRO
$5.02
Each (In a Pack of 5)
units
6.35mm 14mm - 11mm Black - - - Low profile Plastic
RS Stock No. 467-5945
BrandRS PRO
$0.474
Each (In a Pack of 10)
units
6mm 13.3mm Circular 16.5mm Black Green - - Push-On Plastic
RS Stock No. 467-5923
BrandRS PRO
$0.546
Each (In a Pack of 10)
units
6mm 13.3mm Circular 16.5mm Black Yellow - - Push-On Plastic
RS Stock No. 465-9842
BrandRS PRO
$2.96
Each
units
6.4mm 20mm - 12.5mm Silver Black - - Grub Screw Aluminium
RS Stock No. 463-8592
BrandRS PRO
$1.442
Each (In a Pack of 5)
units
- - - 5mm Black - - Collet Knob Pointer -
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Solid knob with position indicating slot. Available in ...
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Solid knob with position indicating slot. Available in attractive Natural finish or matt Black anodised. Single grub-screw fixing.
These RS Brand low-profile potentiometer knobs are suitable ...
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These RS Brand low-profile 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 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.