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. 499-977
BrandRS PRO
HK$12.07
Each
units
6.4mm 14mm - 16mm Silver - - - Grub Screw Aluminium
RS Stock No. 504-2784
Mfr. Part No.25A11B010
BrandVishay
HK$316.00
Each
units
6.35mm 46mm - - Chrome Black - - Dial -
RS Stock No. 463-8586
BrandRS PRO
HK$6.806
Each (In a Pack of 5)
units
- - - 4.6mm Black - - Collet Knob Pointer -
RS Stock No. 362-7282
Mfr. Part No.28A11B08
BrandVishay
HK$245.52
Each
units
6.35mm 23mm - 25.4mm Black White - - Dial -
RS Stock No. 467-6702
BrandRS PRO
HK$3.552
Each (In a Pack of 10)
units
6.4mm 13mm D Shaped 15mm Grey Green - - Push-On Plastic
RS Stock No. 463-8479
BrandRS PRO
HK$20.80
Each
units
6.4mm 14.7mm - 16.2mm Black White - - Collet -
RS Stock No. 504-2790
Mfr. Part No.18A21B010
BrandVishay
HK$172.75
Each
units
6.35mm 22.2mm - 22.2mm Black Black - - Dial -
RS Stock No. 467-2407
BrandRS PRO
HK$7.126
Each (In a Pack of 5)
units
6.35mm 32mm - 13.7mm Cream Grey - - Grub Screw Plastic
RS Stock No. 581-896
BrandRS PRO
HK$21.476
Each (In a Pack of 5)
units
6.35mm 14mm - 15.2mm Black - - - - Plastic
RS Stock No. 225-726
Mfr. Part No.S210250-BLK
BrandSifam
HK$21.983
Each (In a Pack of 10)
units
6.35mm 21.5mm - 17.7mm Black - - - Collet Plastic
RS Stock No. 850-9322
Mfr. Part No.44214
BrandVishay
HK$95.98
Each (In a Pack of 50)
units
6mm 22.2mm - - Chrome Black - - Dial -
RS Stock No. 167-9626
Mfr. Part No.21B11B010
BrandVishay
HK$352.009
Each (In a Box of 10)
units
6mm 46mm - 25.4mm Chrome Black - - Dial -
RS Stock No. 199-6299
Mfr. Part No.23A21B10
BrandVishay
HK$519.66
Each
units
6.35mm 30.6mm - 31.5mm Black Black - - Figure Dial -
RS Stock No. 104-177
Mfr. Part No.15E11B010
BrandVishay
HK$447.17
Each
units
6mm - - 20.6mm Silver Black - - Dial -
RS Stock No. 259-7001
BrandRS PRO
HK$9.172
Each (In a Pack of 5)
units
6.35mm 28mm - 17mm Black White - - Grub Screw Plastic
RS Stock No. 172-2304
Mfr. Part No.CL1709762
HK$2.21
Each (In a Bag of 125)
units
- 6mm - - Translucent Black - Illuminated Encoder - -
RS Stock No. 104-161
Mfr. Part No.21B11B010
BrandVishay
HK$260.58
Each
units
6mm 46mm - 25.4mm Chrome Black - - Dial -
RS Stock No. 259-7039
BrandRS PRO
HK$9.14
Each (In a Pack of 5)
units
6mm 28mm - 17mm Black White - - Grub Screw Plastic
RS Stock No. 743-5661
Mfr. Part No.H-516-6A
BrandBourns
HK$67.42
Each
units
6.35mm 22.8mm - 24.8mm Black, Chrome Black - - Dial -
RS Stock No. 167-5263
Mfr. Part No.H-516-6A
BrandBourns
HK$58.44
Each (In a Tray of 10)
units
6.35mm 22.8mm - 24.8mm Black, Chrome Black - - Dial -
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