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. 799-9402
Mfr. Part No.SP211 006 BLACK
BrandSifam
€32.72
1 Pack of 10
Pack(s)
6mm 21mm - 13.5mm Black White - - Collet Plastic
RS Stock No. 111-0956
Mfr. Part No.S211 006BK
BrandSifam
€2.756
Each (In a Pack of 10)
units
6mm 21mm - 17.7mm Black, Grey Grey - - Collet Plastic
RS Stock No. 299-4957
Mfr. Part No.3/03/TPN130-006/237/224
BrandSifam
€0.168
Each (In a Pack of 5)
units
6mm 18.9mm Circular 15mm Black White - - Push-On -
RS Stock No. 111-0978
Mfr. Part No.P150BK
BrandSifam
€0.206
Each (In a Pack of 10)
units
- 15mm - - Black Black - Collet Knob Pointer Nylon
RS Stock No. 407-2453
Mfr. Part No.SP151 250 BLACK
BrandSifam
€2.361
Each (In a Pack of 10)
units
6.35mm 15.5mm - 14.3mm Black Black - - Collet Plastic
RS Stock No. 281-7210
Mfr. Part No.4/02 LK110 08
BrandSifam
€0.378
Each (In a Pack of 5)
units
- - - 10mm Black White - - Slide Plastic
RS Stock No. 299-4985
Mfr. Part No.3/03/TPN130-006/237/230
BrandSifam
€0.568
Each (In a Pack of 5)
units
6mm 18.9mm Circular 15mm Black Red - - Push-On -
RS Stock No. 225-956
Mfr. Part No.C210-BLK
BrandSifam
€0.163
Each (In a Pack of 10)
units
- 21mm - - Black - - Collet Knob - Nylon
RS Stock No. 279-9055
Mfr. Part No.05 LK081 04
BrandSifam
€0.38
Each (In a Pack of 5)
units
- - - 12mm Black White - - Slide Plastic
RS Stock No. 279-9061
Mfr. Part No.05 LK121 04
BrandSifam
€0.36
Each (In a Pack of 5)
units
- - - 12mm Black White - - Slide Plastic
RS Stock No. 225-732
Mfr. Part No.S210006-BLK
BrandSifam
€1.959
Each (In a Pack of 10)
units
6mm 21mm - 13.5mm Black - - - Collet Plastic
RS Stock No. 281-7197
Mfr. Part No.4/02 LK110 01
BrandSifam
€0.386
Each (In a Pack of 5)
units
- - - 10mm Black White - - Slide Plastic
RS Stock No. 299-4840
Mfr. Part No.3/03/DR110-006/237/230
BrandSifam
€0.572
Each (In a Pack of 5)
units
6mm 11mm D Shaped 13.5mm Black Red - - Push-On -
RS Stock No. 299-4812
Mfr. Part No.3/03/DR110-006/237/224
BrandSifam
€0.584
Each (In a Pack of 5)
units
6mm 11mm D Shaped 13.5mm Black White - - Push-On -
RS Stock No. 299-4935
Mfr. Part No.3/03/DR110-006/237/232
BrandSifam
€0.568
Each (In a Pack of 5)
units
6mm 11mm D Shaped 13.5mm Black Green - - Push-On -
RS Stock No. 225-760
Mfr. Part No.9333
BrandSifam
€10.07
Each
units
- 11mm - - Black - - Collet Knob - -
RS Stock No. 111-4093
Mfr. Part No.S291 006BK
BrandSifam
€3.276
Each (In a Pack of 10)
units
6mm 29mm - 17.9mm Black, Grey White - - Collet Nylon
RS Stock No. 225-984
Mfr. Part No.C211-BLK
BrandSifam
€0.279
Each (In a Pack of 10)
units
- 21mm - - Black White - Collet Knob - Nylon
RS Stock No. 407-2447
Mfr. Part No.SP211 250 BLACK
BrandSifam
€2.353
Each (In a Pack of 10)
units
6.35mm 21.5mm - 17.7mm Black Black - - Collet Plastic
RS Stock No. 225-811
Mfr. Part No.C110-BLK
BrandSifam
€0.125
Each (In a Pack of 10)
units
- 11mm - - Black - - Collet Knob - Nylon