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. 225-940
Mfr. Part No.C210-GRY
BrandSifam
kr 2,453
Each (In a Pack of 10)
Units
- 21mm - - Grey - - Collet Knob - Nylon
RS Stock No. 225-726
Mfr. Part No.S210250-BLK
BrandSifam
kr 22,123
Each (In a Pack of 10)
Units
6.35mm 21.5mm - 17.7mm Black - - - Collet Plastic
RS Stock No. 357-6853
Mfr. Part No.CT 85 D 6.35 BLEU-2B-3B
BrandAtoms
kr 107,02
Each
Units
6mm 23mm - 24mm Blue - - CT85B Series Dial -
RS Stock No. 357-6881
Mfr. Part No.BT 81 D 6.35 BLEU-2B-3B
BrandAtoms
kr 174,48
Each
Units
- - - 25mm Blue White - - Dial -
RS Stock No. 498-873
BrandRS PRO
kr 43,67
Each
Units
6.4mm 20mm - 15.4mm Silver - - - Grub Screw Aluminium
RS Stock No. 279-9049
Mfr. Part No.4/02 LK150 04
BrandSifam
kr 4,786
Each (In a Pack of 5)
Units
- - - 10mm Black White - - Slide Plastic
RS Stock No. 259-6929
BrandRS PRO
kr 9,386
Each (In a Pack of 5)
Units
6mm 16.2mm - 15mm Black, Grey White - - Grub Screw Plastic
RS Stock No. 259-6985
BrandRS PRO
kr 11,904
Each (In a Pack of 5)
Units
6.35mm 21mm - 17mm Black, Grey White - - Grub Screw Plastic
RS Stock No. 783-0218
Mfr. Part No.PKS1105B101/4
kr 46,06
Each
Units
6.35mm 29.7mm - 17mm Black Black - 6.35mm Shafts Dial Plastic
RS Stock No. 465-9921
BrandRS PRO
kr 31,086
Each (In a Pack of 5)
Units
6.35mm 21mm - - Black White - 6.35mm Shafts - -
RS Stock No. 581-969
BrandRS PRO
kr 60,478
Each (In a Pack of 5)
Units
6, 6.35 mm, 35 mm 21mm - - Black White - Rotary Switch - -
RS Stock No. 777-7328
BrandRS PRO
kr 22,53
Each
Units
6mm 19.8mm Circular 17.6mm Black White - - Push-On Aluminium
RS Stock No. 225-710
Mfr. Part No.S150006-BLK
BrandSifam
kr 16,73
Each (In a Pack of 10)
Units
6mm 15.5mm - 14.3mm Black - - - Collet Plastic
RS Stock No. 581-947
BrandRS PRO
kr 57,856
Each (In a Pack of 5)
Units
6.35mm 41.9mm - 20.3mm Black White - - - Plastic
RS Stock No. 504-2790
Mfr. Part No.18A21B010
BrandVishay
kr 180,26
Each
Units
6.35mm 22.2mm - 22.2mm Black Black - - Dial -
RS Stock No. 225-956
Mfr. Part No.C210-BLK
BrandSifam
kr 2,453
Each (In a Pack of 10)
Units
- 21mm - - Black - - Collet Knob - Nylon
RS Stock No. 465-9937
BrandRS PRO
kr 34,236
Each (In a Pack of 5)
Units
6.35mm 29mm - - Black - - 6.35mm Shafts - -
RS Stock No. 468-0767
BrandRS PRO
kr 3,162
Each (In a Pack of 10)
Units
24mm 46.8mm - 6.4mm Clear - - Collet Knob - Plastic
RS Stock No. 498-851
BrandRS PRO
kr 56,79
Each
Units
6.4mm 30mm - 15mm Silver - - - Grub Screw Aluminium
RS Stock No. 498-823
BrandRS PRO
kr 32,80
Each
Units
6.35mm 28mm - 14mm Black Black - - Grub Screw Aluminium
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These RS Brand standard potentiometer knobs are suitable ...
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These RS Brand standard potentiometer knobs are suitable for a 6.35mm shaft. With Brass bushings and a high-quality plastic casing, these potentiometer knobs are durable and practical. With a range of compatible knob skirts available, they are ideal for a ...
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