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. 504-2784
Mfr. Part No.25A11B010
BrandVishay
HK$311.03
Each
units
6.35mm 46mm - - Chrome Black - - Dial -
RS Stock No. 167-9647
Mfr. Part No.25A11B010
BrandVishay
HK$311.03
Each (In a Box of 10)
units
6.35mm 46mm - - Chrome Black - - Dial -
RS Stock No. 362-7282
Mfr. Part No.28A11B08
BrandVishay
HK$495.83
Each
units
6.35mm 23mm - 25.4mm Black White - - Dial -
RS Stock No. 499-977
BrandRS PRO
HK$9.09
Each
units
6.4mm 14mm - 16mm Silver - - - Grub Screw Aluminium
RS Stock No. 465-9842
BrandRS PRO
HK$15.21
Each
units
6.4mm 20mm - 12.5mm Silver Black - - Grub Screw Aluminium
RS Stock No. 167-5263
Mfr. Part No.H-516-6A
BrandBourns
HK$55.635
Each (In a Tray of 10)
units
6.35mm 22.8mm - 24.8mm Black, Chrome Black - - Dial -
RS Stock No. 225-726
Mfr. Part No.S210250-BLK
BrandSifam
HK$14.80
Each (In a Pack of 10)
units
6.35mm 21.5mm - 17.7mm Black - - - Collet Plastic
RS Stock No. 777-7283
BrandRS PRO
HK$26.20
Each
units
6mm 38.6mm Circular 13.5mm Black - - - Push-On PVC
RS Stock No. 892-8391
Mfr. Part No.5000E
HK$16.332
Each (In a Pack of 10)
units
- - - - Black - - G Rheostat and Tab Switch Models, H Rheostat and Tab Switch Models, J Rheostat and Tab Switch Models, K Rheostat and Tab Switch Models, L Rheostat and Tab Switch Models Dial Aluminium
RS Stock No. 225-984
Mfr. Part No.C211-BLK
BrandSifam
HK$3.513
Each (In a Pack of 10)
units
- 21mm - - Black White - Collet Knob - Nylon
RS Stock No. 729-6227
Mfr. Part No.CL1709762
HK$3.11
Each (In a Pack of 5)
units
- 6mm - - Translucent Black - Illuminated Encoder - -
RS Stock No. 498-839
BrandRS PRO
HK$29.60
Each
units
6.35mm 22mm - 14mm Black Black - - Grub Screw Aluminium
RS Stock No. 259-6979
BrandRS PRO
HK$9.284
Each (In a Pack of 5)
units
6.35mm 21mm - 17mm Black White - - Grub Screw Plastic
RS Stock No. 463-8479
BrandRS PRO
HK$15.70
Each
units
6.4mm 14.7mm - 16.2mm Black White - - Collet -
RS Stock No. 498-895
BrandRS PRO
HK$24.62
Each
units
6.35mm 28mm - 14mm Silver Black - - Grub Screw Aluminium
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. 467-6702
BrandRS PRO
HK$10.573
Each (In a Pack of 10)
units
6.4mm 13mm D Shaped 15mm Grey Green - - Push-On Plastic
RS Stock No. 259-6929
BrandRS PRO
HK$6.018
Each (In a Pack of 5)
units
6mm 16.2mm - 15mm Black, Grey White - - Grub Screw Plastic
RS Stock No. 137-5462
Mfr. Part No.A2510030
BrandOKW
HK$26.78
Each
units
3mm 10.5mm - 14mm Black - - - Collet Plastic
RS Stock No. 467-2407
BrandRS PRO
HK$5.242
Each (In a Pack of 5)
units
6.35mm 32mm - 13.7mm Cream Grey - - Grub Screw Plastic
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