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 Cap Size Indicator Colour Depth For Use With Model Knob Type Material
RS stock no. 745-5814
Mfr. Part No.4-1437624-6
R 55.85
Each
units
- - - - Black - White - - - - -
RS stock no. 783-0154
Mfr. Part No.PKES120B1/4
R 49.27
Each
units
6.35mm 33mm Circular 15.9mm Black - White - - - Grub Screw Plastic
RS stock no. 783-0123
Mfr. Part No.KLN700B1/4
R 142.27
Each
units
6.35mm 18.8mm Circular 15.9mm Black - White - - - Grub Screw Aluminium
RS stock no. 783-0205
Mfr. Part No.PKD70B101/4
R 56.35
Each
units
6.35mm 25.9mm Circular 15.5mm Black - Black - - - Dial Plastic
RS stock no. 783-0173
Mfr. Part No.KD700B1/4
R 107.61
Each
units
6.35mm 19mm Circular 16mm Black - White - - - Grub Screw Aluminium
RS stock no. 783-0189
Mfr. Part No.KN500A1/8
R 132.03
Each
units
3.17mm 12.7mm Circular 15.9mm Natural - Black - - - Grub Screw Aluminium
RS stock no. 783-0202
Mfr. Part No.PKES90B1/4
R 46.17
Each
units
6.35mm 25.7mm Circular 14.5mm Black - White - - - Grub Screw Plastic
RS stock no. 783-0139
Mfr. Part No.KN700B1/4
R 201.14
Each
units
6.35mm 19mm Circular 15.9mm Black - White - - - Grub Screw Aluminium
RS stock no. 783-0164
Mfr. Part No.KN500B1/4
R 144.24
Each
units
6.35mm 12.7mm Circular 15.9mm Black - White - - - Grub Screw Aluminium
RS stock no. 783-0114
Mfr. Part No.PKG50B1/8
R 37.20
Each
units
3.17mm 14mm - 13mm Black - White - - - Grub Screw Plastic
RS stock no. 783-0176
Mfr. Part No.KLN1250B1/4
R 297.66
Each
units
6.35mm 31.8mm Circular 15.9mm Black - White - - - Grub Screw Aluminium
RS stock no. 783-0126
Mfr. Part No.KPN700B1/4
R 248.30
Each
units
6.35mm 19mm - 15.9mm Black - White - - - Grub Screw Aluminium
RS stock no. 783-0104
Mfr. Part No.KNS501BA1/8
R 210.47
Each
units
3.17mm 19.1mm - 15.9mm Black - Black - - - Grub Screw Aluminium
RS stock no. 783-0117
Mfr. Part No.KB500B1/8
R 137.98
Each
units
3.17mm 12.7mm - 20mm Black - Black - - - Grub Screw Aluminium
RS stock no. 783-0132
Mfr. Part No.PKES70B1/4
R 42.86
Each
units
6.35mm 21.7mm - 13.4mm Black - White - - - Grub Screw Plastic
RS stock no. 783-0160
Mfr. Part No.KN500B1/8
R 111.43
Each
units
3.17mm 12.7mm Circular 15.9mm Black - White - - - Grub Screw Aluminium
RS stock no. 783-0110
Mfr. Part No.KLN500B1/8
R 286.44
Each
units
3.17mm 12.7mm - 16mm Black - White - - - Grub Screw Aluminium
RS stock no. 782-7152
Mfr. Part No.PH15181/4
R 48.98
Each
units
0.25in 6.4mm - 17mm Black - Black - - - Grub Screw Plastic
RS stock no. 783-0182
Mfr. Part No.PKG40B1/8
R 35.22
Each
units
3.17mm 11.1mm Circular 12mm Black - White - - - Grub Screw Plastic
RS stock no. 783-0148
Mfr. Part No.KN1251B1/4
R 257.93
Each
units
6.35mm 31.8mm Circular 15.9mm Black - White - - - Grub Screw Aluminium