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. 225-726
Mfr. Part No.S210250-BLK
BrandSifam
TWD86.00
Each (In a Pack of 10)
units
6.35mm 21.5mm - 17.7mm Black - - - Collet Plastic
RS Stock No. 799-9402
Mfr. Part No.SP211 006 BLACK
BrandSifam
TWD130.20
Each (In a Pack of 10)
units
6mm 21mm - 13.5mm Black White - - Collet Plastic
RS Stock No. 225-754
Mfr. Part No.S290006-BLK
BrandSifam
TWD224.00
Each (In a Pack of 10)
units
6mm 29.5mm - 17.9mm Black - - - Collet Plastic
RS Stock No. 226-000
Mfr. Part No.C290-BLK
BrandSifam
TWD9.20
Each (In a Pack of 10)
units
- 29mm - - Black - - Collet Knob - Nylon
RS Stock No. 225-899
Mfr. Part No.C150-BLK
BrandSifam
TWD5.10
Each (In a Pack of 10)
units
- 15mm - - Black - - Collet Knob - Nylon
RS Stock No. 299-4957
Mfr. Part No.3/03/TPN130-006/237/224
BrandSifam
TWD15.80
Each (In a Pack of 5)
units
6mm 18.9mm Circular 15mm Black White - - Push-On -
RS Stock No. 299-4812
Mfr. Part No.3/03/DR110-006/237/224
BrandSifam
TWD23.40
Each (In a Pack of 5)
units
6mm 11mm D Shaped 13.5mm Black White - - Push-On -
RS Stock No. 225-906
Mfr. Part No.C150-RED
BrandSifam
TWD4.90
Each (In a Pack of 10)
units
- 15mm - - Red - - Collet Knob - Nylon
RS Stock No. 111-0502
Mfr. Part No.S151 250BK
BrandSifam
TWD89.00
Each (In a Pack of 10)
units
6.35mm 15.5mm - 14.3mm Black Grey - - Collet Plastic
RS Stock No. 111-0956
Mfr. Part No.S211 006BK
BrandSifam
TWD110.20
Each (In a Pack of 10)
units
6mm 21mm - 17.7mm Black, Grey Grey - - Collet Plastic
RS Stock No. 111-0401
Mfr. Part No.C111 BLUE
BrandSifam
TWD12.70
Each (In a Pack of 10)
units
- 11mm - - Blue White - Collet Knob - -
RS Stock No. 299-4985
Mfr. Part No.3/03/TPN130-006/237/230
BrandSifam
TWD22.40
Each (In a Pack of 5)
units
6mm 18.9mm Circular 15mm Black Red - - Push-On -
RS Stock No. 225-883
Mfr. Part No.C150-GRY
BrandSifam
TWD5.00
Each (In a Pack of 10)
units
- 15mm - - Grey - - Collet Knob - Nylon
RS Stock No. 225-782
Mfr. Part No.N110-BLK
BrandSifam
TWD8.90
Each (In a Pack of 10)
units
- 11mm - - Black - - Collet Knob Nut Cover Nylon
RS Stock No. 299-4884
Mfr. Part No.3/03/TP110-006/237/233
BrandSifam
TWD22.40
Each (In a Pack of 5)
units
6mm 11.5mm Circular 13.5mm Black Blue - - Push-On -
RS Stock No. 299-4941
Mfr. Part No.3/03/TPN110-006/237/224
BrandSifam
TWD23.40
Each (In a Pack of 5)
units
6mm 16mm Circular 15mm Black White - - Push-On -
RS Stock No. 111-0978
Mfr. Part No.P150BK
BrandSifam
TWD8.20
Each (In a Pack of 10)
units
- 15mm - - Black Black - Collet Knob Pointer Nylon
RS Stock No. 225-877
Mfr. Part No.N151-BLK
BrandSifam
TWD22.90
Each (In a Pack of 10)
units
- 15mm - - Black White - Collet Knob Nut Cover Nylon
RS Stock No. 299-4828
Mfr. Part No.3/03/TP110-006/237/230
BrandSifam
TWD23.40
Each (In a Pack of 5)
units
6mm 11mm Circular 13.5mm Black Red - - Push-On Polypropylene
RS Stock No. 111-0760
Mfr. Part No.C211 BLUE
BrandSifam
TWD14.20
Each (In a Pack of 10)
units
- 21mm - - Blue White - Collet Knob - Nylon