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. 498-845
BrandRS PRO
SGD4.54
Each
units
6.35mm 16mm - 14mm Black Black - - Grub Screw Aluminium
RS Stock No. 581-903
BrandRS PRO
SGD4.108
Each (In a Pack of 5)
units
6.35mm 21.1mm - 15.2mm Black Black - - - -
RS Stock No. 465-9397
BrandRS PRO
SGD1.071
Each (In a Pack of 10)
units
6.35mm 15.7mm - 19mm Black, Red - - - Push-On Plastic
RS Stock No. 581-969
BrandRS PRO
SGD3.91
Each (In a Pack of 5)
units
6, 6.35 mm, 35 mm 21mm - - Black White - Rotary Switch - -
RS Stock No. 467-2508
BrandRS PRO
SGD9.62
Each
units
6mm 22mm - 26.7mm Black White - - Grub Screw Aluminium
RS Stock No. 467-6061
BrandRS PRO
SGD0.492
Each (In a Pack of 5)
units
6mm 17mm D Shaped 19.5mm Black Green - - Push-On Plastic
RS Stock No. 465-9448
BrandRS PRO
SGD0.435
Each (In a Pack of 10)
units
6.4mm 19mm - 20mm Black White - Potentiometer - Plastic
RS Stock No. 463-8536
BrandRS PRO
SGD0.942
Each (In a Pack of 5)
units
11mm - - 5mm Black - - Collet Knob - -
RS Stock No. 259-6828
BrandRS PRO
SGD1.086
Each (In a Pack of 5)
units
3.175mm 11.6mm - 10mm Black, Grey White - - Grub Screw Plastic
RS Stock No. 467-5894
BrandRS PRO
SGD0.431
Each (In a Pack of 10)
units
6mm 13mm Circular 17mm Grey Green - - Push-On Rubber
RS Stock No. 777-7296
BrandRS PRO
SGD2.52
Each
units
6mm 38.6mm Circular 13.5mm Grey - - - Push-On PVC
RS Stock No. 463-8479
BrandRS PRO
SGD3.63
Each
units
6.4mm 14.7mm - 16.2mm Black White - - Collet -
RS Stock No. 463-8485
BrandRS PRO
SGD2.43
Each
units
6mm 14.7mm - 16.2mm Black - - - Collet -
RS Stock No. 467-6752
BrandRS PRO
SGD0.93
Each (In a Pack of 5)
units
6.4mm 17mm D Shaped 19.5mm Black Blue, White - - Push-On Plastic
RS Stock No. 467-6768
BrandRS PRO
SGD0.472
Each (In a Pack of 5)
units
6.4mm 17mm D Shaped 19.5mm Black Green - - Push-On Plastic
RS Stock No. 581-896
BrandRS PRO
SGD3.744
Each (In a Pack of 5)
units
6.35mm 14mm - 15.2mm Black - - - - Plastic
RS Stock No. 581-947
BrandRS PRO
SGD5.75
Each (In a Pack of 5)
units
6.35mm 41.9mm - 20.3mm Black White - - - Plastic
RS Stock No. 259-6806
BrandRS PRO
SGD1.338
Each (In a Pack of 5)
units
3.175mm 11.6mm - 10mm Black, Red White - - Grub Screw Plastic
RS Stock No. 467-2536
BrandRS PRO
SGD12.56
Each
units
6mm 31.8mm - 26.7mm Black White - - Grub Screw Aluminium
RS Stock No. 259-6913
BrandRS PRO
SGD2.08
Each (In a Pack of 5)
units
6mm 16.2mm - 15mm Black White - - Grub Screw Plastic
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