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 Cap Size Indicator Colour Depth For Use With Model Knob Type Material
RS Stock No. 499-977
BrandRS PRO
$3.16
Each
units
6.4mm 14mm Circular 16mm Silver - - 15mm Potentiometer - Grub Screw Aluminium
RS Stock No. 259-7039
BrandRS PRO
$2.166
Each (In a Pack of 5)
units
6mm 28mm Circular 17mm Black - White - Potentiometer - Grub Screw Plastic
RS Stock No. 499-949
BrandRS PRO
$7.22
Each
units
6.4mm 22mm Circular 13mm Silver - - 12mm Potentiometer - Grub Screw Aluminium
RS Stock No. 259-6913
BrandRS PRO
$3.71
Each (In a Pack of 5)
units
6mm 16.2mm Circular 15mm Black - White - Potentiometer - Grub Screw Plastic
RS Stock No. 463-8536
BrandRS PRO
$1.824
Each (In a Pack of 5)
units
11mm - - 5mm Black - - - Collet Knob - - -
RS Stock No. 581-896
BrandRS PRO
$4.952
Each (In a Pack of 5)
units
6.35mm 14mm Circular 15.2mm Black 0.5in - - Potentiometer - Low profile Plastic
RS Stock No. 463-8479
BrandRS PRO
$6.36
Each
units
6.4mm 14.7mm Screw Fix 16.2mm Black - White - Rotary Switches - Collet Plastic
RS Stock No. 498-845
BrandRS PRO
$6.40
Each
units
6.4mm 16mm Circular 14mm Black - Black 12mm Potentiometer - Grub Screw Aluminium
RS Stock No. 465-9381
BrandRS PRO
$0.454
Each (In a Pack of 10)
units
6.4mm 19mm D Shaped 20mm Black, Red - White - - - Push-On Plastic
RS Stock No. 223-742
BrandRS PRO
$2.496
Each (In a Pack of 5)
units
6.4mm 32mm - 13.7mm Black - White - Potentiometer - Grub Screw Plastic
RS Stock No. 465-9397
BrandRS PRO
$1.468
Each (In a Pack of 10)
units
6.35mm 15.7mm Screw Fix 19mm Black, Red - White 14mm Potentiometer - Push-On Plastic
RS Stock No. 581-969
BrandRS PRO
$5.152
Each (In a Pack of 5)
units
6, 6.35 mm, 35 mm 21mm - - Black - White - Rotary Switch - - -
RS Stock No. 259-6812
BrandRS PRO
$1.89
Each (In a Pack of 5)
units
3.175mm 11.6mm Circular 10mm Black - White - - - Grub Screw Plastic
RS Stock No. 463-8457
BrandRS PRO
$5.41
Each
units
6.4mm 14.7mm Screw Fix 16.2mm Black - - - Potentiometer - Collet Plastic
RS Stock No. 259-6935
BrandRS PRO
$1.634
Each (In a Pack of 5)
units
6.35mm 16.2mm Circular 15mm Black, Red - White - Potentiometer - Grub Screw Plastic
RS Stock No. 465-9448
BrandRS PRO
$0.503
Each (In a Pack of 10)
units
6.4mm 19mm - 20mm Black - White - Potentiometer - - Plastic
RS Stock No. 259-6941
BrandRS PRO
$2.152
Each (In a Pack of 5)
units
6.4mm 16mm Circular 15mm Black - White - Rotary Switches - Grub Screw Plastic
RS Stock No. 463-8463
BrandRS PRO
$12.51
Each
units
6.4mm 21.3mm Slotted 17.1mm Black - - - Rotary Switches - Collet Plastic
RS Stock No. 259-6957
BrandRS PRO
$1.866
Each (In a Pack of 5)
units
6.35mm 16.2mm Circular 15mm Black, Grey - White - Potentiometer - Grub Screw Plastic
RS Stock No. 581-931
BrandRS PRO
$6.44
Each (In a Pack of 5)
units
6.35mm 28.4mm - 15.2mm Black 1.125in White - Potentiometer - Low profile Plastic