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. 743-5661
Mfr. Part No.H-516-6A
BrandBourns
TWD418
Each
units
6.35mm 22.8mm - 24.8mm Black, Chrome Black - - Dial -
RS Stock No. 167-5263
Mfr. Part No.H-516-6A
BrandBourns
TWD383
Each (In a Tray of 10)
units
6.35mm 22.8mm - 24.8mm Black, Chrome Black - - Dial -
RS Stock No. 498-895
BrandRS Pro
TWD97
Each
units
6.35mm 28mm - 14mm Silver Black - - Grub Screw Aluminium
RS Stock No. 797-2924
Mfr. Part No.18A11B10
BrandVishay
TWD742
Each
units
6.35mm 22.2mm - 22.2mm Chrome Black - - Dial -
RS Stock No. 167-4559
Mfr. Part No.H-22-6A
BrandBourns
TWD636
Each (In a Tray of 10)
units
6.35mm 22.2mm - 21.3mm Chrome Black - - Dial -
RS Stock No. 737-7701
Mfr. Part No.H-22-6A
BrandBourns
TWD389
Each
units
6.35mm 22.2mm - 21.3mm Chrome - - - Dial -
RS Stock No. 167-9521
Mfr. Part No.ACCTRHJ1021
BrandVishay
TWD42
Each (In a Box of 100)
units
6mm 22.2mm - 12 mm, 14 mm Black - - 357 Series - -
RS Stock No. 374-3211
Mfr. Part No.ACCTRHJ1021
BrandVishay
TWD46
Each (In a Pack of 5)
units
6mm 22.2mm - 12 mm, 14 mm Black - - 357 Series - -
RS Stock No. 225-726
Mfr. Part No.S210250-BLK
BrandSifam
TWD68
Each (In a Pack of 10)
units
6.35mm 21.5mm - 17.7mm Black - - - Collet Plastic
RS Stock No. 498-839
BrandRS Pro
TWD76
Each
units
6.35mm 22mm - 14mm Black Black - - Grub Screw Aluminium
RS Stock No. 259-6935
BrandRS Pro
TWD18
Each (In a Pack of 5)
units
6.35mm 16.2mm - 15mm Black, Red White - - Grub Screw Plastic
RS Stock No. 508-885
Mfr. Part No.11A41B10
BrandVishay
TWD1,492
Each
units
6.35mm 25.4mm - 22.2mm Chrome Black - - Dial -
RS Stock No. 167-9519
Mfr. Part No.11A41B10
BrandVishay
TWD1,306
Each (In a Box of 10)
units
6.35mm 25.4mm - 22.2mm Chrome Black - - Dial -
New
RS Stock No. 172-2305
BrandRS Pro
TWD12
Each (In a Box of 500)
units
- 6mm - - Translucent - - - Cap -
RS Stock No. 498-918
BrandRS Pro
TWD83
Each
units
6.35mm 16mm - 14mm Natural Black - - Grub Screw Aluminium
RS Stock No. 504-2784
Mfr. Part No.25A11B10
BrandVishay
TWD1,883
Each
units
6.35mm 46mm - - Chrome Black - - Dial -
RS Stock No. 167-9647
Mfr. Part No.25A11B10
BrandVishay
TWD1,329
Each (In a Box of 10)
units
6.35mm 46mm - - Chrome Black - - Dial -
RS Stock No. 467-2429
BrandRS Pro
TWD104
Each
units
6mm 12.7mm - 25.4mm Black White - - Grub Screw Aluminium
RS Stock No. 498-851
BrandRS Pro
TWD67
Each
units
6.4mm 30mm - 15mm Silver - - - Grub Screw Aluminium
RS Stock No. 729-6220
BrandRS Pro
TWD12
Each (In a Pack of 5)
units
- 6mm Circular 18mm Translucent - - - Push-On -