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 Model Knob Type Material
RS Stock No. 259-6913
BrandRS PRO
£1.486
Each (In a Pack of 5)
Units
6mm 16.2mm - 15mm Black White - - - Grub Screw Plastic
RS Stock No. 463-8514
BrandRS PRO
£2.18
Each
Units
6mm 14.7mm - 16.2mm Black White - - - Collet -
RS Stock No. 259-7039
BrandRS PRO
£1.168
Each (In a Pack of 5)
Units
6mm 28mm - 17mm Black White - - - Grub Screw Plastic
RS Stock No. 463-8463
BrandRS PRO
£5.80
Each
Units
6.4mm 21.3mm - 17.1mm Black - - - - Collet -
RS Stock No. 259-6935
BrandRS PRO
£0.994
Each (In a Pack of 5)
Units
6.35mm 16.2mm - 15mm Black, Red White - - - Grub Screw Plastic
RS Stock No. 465-9921
BrandRS PRO
£2.346
Each (In a Pack of 5)
Units
6.35mm 21mm - - Black White - 6.35mm Shafts - - -
RS Stock No. 467-6106
BrandRS PRO
£0.33
Each (In a Pack of 10)
Units
6mm 13mm D Shaped 15mm Black Black, White - - - Push-On Plastic
RS Stock No. 465-9397
BrandRS PRO
£0.643
Each (In a Pack of 10)
Units
6.35mm 15.7mm - 19mm Black, Red - - - - Push-On Plastic
RS Stock No. 581-919
BrandRS PRO
£3.144
Each (In a Pack of 5)
Units
6.35mm 29.5mm - 20.3mm Black - - - - - Plastic
RS Stock No. 463-8479
BrandRS PRO
£2.01
Each
Units
6.4mm 14.7mm - 16.2mm Black White - - - Collet -
RS Stock No. 463-8536
BrandRS PRO
£0.74
Each (In a Pack of 5)
Units
11mm - - 5mm Black - - Collet Knob - - -
RS Stock No. 581-931
BrandRS PRO
£2.482
Each (In a Pack of 5)
Units
6.35mm 28.4mm - 15.2mm Black White - - - - Plastic
RS Stock No. 581-969
BrandRS PRO
£2.32
Each (In a Pack of 5)
Units
6, 6.35 mm, 35 mm 21mm - - Black White - Rotary Switch - - -
RS Stock No. 581-903
BrandRS PRO
£2.332
Each (In a Pack of 5)
Units
6.35mm 21.1mm - 15.2mm Black Black - - - - -
RS Stock No. 223-742
BrandRS PRO
£0.734
Each (In a Pack of 5)
Units
6.4mm 32mm - 13.7mm Black White - - - Grub Screw Plastic
RS Stock No. 259-6929
BrandRS PRO
£0.994
Each (In a Pack of 5)
Units
6mm 16.2mm - 15mm Black, Grey White - - - Grub Screw Plastic
RS Stock No. 499-977
BrandRS PRO
£1.16
Each
Units
6.4mm 14mm - 16mm Silver - - - - Grub Screw Aluminium
RS Stock No. 498-873
BrandRS PRO
£3.28
Each
Units
6.4mm 20mm - 15.4mm Silver - - - - Grub Screw Aluminium
RS Stock No. 581-947
BrandRS PRO
£3.378
Each (In a Pack of 5)
Units
6.35mm 41.9mm - 20.3mm Black White - - - - Plastic
RS Stock No. 581-874
BrandRS PRO
£2.468
Each (In a Pack of 5)
Units
6.35mm 21.1mm - 11mm Black - - - - Low profile Plastic