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. 107-3138
Mfr. Part No.21A11B10
BrandVishay
PHP2,151.16
Each
units
6.35mm 46mm Circular 25.4mm Silver Black - - Model 21 Dial -
RS Stock No. 259-6913
BrandRS PRO
PHP109.306
Each (In a Pack of 5)
units
6mm 16.2mm - 15mm Black White - - - Grub Screw Plastic
RS Stock No. 466-0432
BrandRS PRO
PHP234.942
Each (In a Pack of 5)
units
6.35mm - - 11mm Black White - - - Grub Screw Plastic
RS Stock No. 259-6979
BrandRS PRO
PHP62.606
Each (In a Pack of 5)
units
6.35mm 21mm - 17mm Black White - - - Grub Screw Plastic
RS Stock No. 107-4771
Mfr. Part No.CT 26 6A
BrandAtoms
PHP2,827.64
Each
units
6.35mm 28mm - 31.5mm Chrome Black - - - Dial -
RS Stock No. 486-7188
Mfr. Part No.21PA11B10
BrandVishay
PHP1,325.91
Each
units
6.35mm 46mm Circular 24.6mm Chrome Black - - Model 21 Dial Plastic
RS Stock No. 498-873
BrandRS PRO
PHP255.82
Each
units
6.4mm 20mm - 15.4mm Silver - - - - Grub Screw Aluminium
RS Stock No. 259-6941
BrandRS PRO
PHP48.342
Each (In a Pack of 5)
units
6.4mm 16mm - 15mm Black White - - - Grub Screw Plastic
RS Stock No. 167-5292
Mfr. Part No.H-516-3A
BrandBourns
PHP359.121
Each (In a Tray of 10)
units
3.17mm 22.8mm - 24.8mm Black, Chrome Black - - - Dial -
RS Stock No. 467-2407
BrandRS PRO
PHP48.816
Each (In a Pack of 5)
units
6.35mm 32mm - 13.7mm Cream Grey - - - Grub Screw Plastic
RS Stock No. 167-9647
Mfr. Part No.25A11B010
BrandVishay
PHP1,966.736
Each (In a Box of 10)
units
6.35mm 46mm - - Chrome Black - - - Dial -
RS Stock No. 504-2784
Mfr. Part No.25A11B010
BrandVishay
PHP3,590.37
Each
units
6.35mm 46mm - - Chrome Black - - - Dial -
RS Stock No. 763-9179
Mfr. Part No.H-516-3A
BrandBourns
PHP407.48
Each
units
3.17mm 22.8mm - 24.8mm Black, Chrome - - - - Dial -
RS Stock No. 259-6957
BrandRS PRO
PHP49.794
Each (In a Pack of 5)
units
6.35mm 16.2mm - 15mm Black, Grey White - - - Grub Screw Plastic
RS Stock No. 225-732
Mfr. Part No.S210006-BLK
BrandSifam
PHP139.255
Each (In a Pack of 10)
units
6mm 21mm - 13.5mm Black - - - - Collet Plastic
RS Stock No. 783-0205
Mfr. Part No.PKD70B101/4
PHP166.70
Each
units
6.35mm 25.9mm - 15.5mm Black Black - - - Dial Plastic
RS Stock No. 463-8514
BrandRS PRO
PHP152.46
Each
units
6mm 14.7mm - 16.2mm Black White - - - Collet -
RS Stock No. 463-8536
BrandRS PRO
PHP37.142
Each (In a Pack of 5)
units
11mm - - 5mm Black - - Collet Knob - - -
RS Stock No. 508-885
Mfr. Part No.11A41B010
BrandVishay
PHP3,177.09
Each
units
6.35mm 25.4mm - 22.2mm Chrome Black - - - Dial -
RS Stock No. 467-5894
BrandRS PRO
PHP17.007
Each (In a Pack of 10)
units
6mm 13mm Circular 17mm Grey Green - - - Push-On Rubber