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. 259-7039
BrandRS PRO
MYR9.692
Each (In a Pack of 5)
units
6mm 28mm Circular 17mm Black - White - Potentiometer - Grub Screw Plastic
RS Stock No. 581-896
BrandRS PRO
MYR16.712
Each (In a Pack of 5)
units
6.35mm 14mm Circular 15.2mm Black 0.5in - - Potentiometer - Low profile Plastic
RS Stock No. 259-7001
BrandRS PRO
MYR9.692
Each (In a Pack of 5)
units
6.35mm 28mm Circular 17mm Black - White - Potentiometer - Grub Screw Plastic
RS Stock No. 259-6957
BrandRS PRO
MYR8.25
Each (In a Pack of 5)
units
6.35mm 16.2mm Circular 15mm Black, Grey - White - Potentiometer - Grub Screw Plastic
RS Stock No. 259-6941
BrandRS PRO
MYR8.25
Each (In a Pack of 5)
units
6.4mm 16mm Circular 15mm Black - White - Rotary Switches - Grub Screw Plastic
RS Stock No. 581-931
BrandRS PRO
MYR18.60
Each (In a Pack of 5)
units
6.35mm 28.4mm - 15.2mm Black 1.125in White - Potentiometer - Low profile Plastic
RS Stock No. 777-7316
BrandRS PRO
MYR31.47
Each
units
6mm 35mm Splined 18.5mm Black - White - Potentiometer - Push-On Aluminium
RS Stock No. 465-9915
BrandRS PRO
MYR19.994
Each (In a Pack of 5)
units
6.35mm 14mm - - Black - - - 6.35mm Shafts - - -
RS Stock No. 467-6027
BrandRS PRO
MYR2.572
Each (In a Pack of 5)
units
6mm 17mm D Shaped 19.5mm Black - Red 15.3mm Potentiometer - Push-On Plastic
RS Stock No. 468-0650
BrandRS PRO
MYR4.962
Each (In a Pack of 10)
units
11.1mm 29mm - 6mm Clear - - - Collet Knob - - Plastic
RS Stock No. 498-845
BrandRS PRO
MYR20.23
Each
units
6.4mm 16mm Circular 14mm Black - Black 12mm Potentiometer - Grub Screw Aluminium
RS Stock No. 467-6752
BrandRS PRO
MYR4.132
Each (In a Pack of 5)
units
6.4mm 17mm D Shaped 19.5mm Black - Blue, White - Potentiometer - Push-On Plastic
RS Stock No. 463-8463
BrandRS PRO
MYR47.73
Each
units
6.4mm 21.3mm Slotted 17.1mm Black - - - Rotary Switches - Collet Plastic
RS Stock No. 777-7369
BrandRS PRO
MYR3.102
Each (In a Pack of 5)
units
6mm 16.8mm D Shaped 14.5mm Black - Grey - - - Push-On -
RS Stock No. 581-874
BrandRS PRO
MYR18.494
Each (In a Pack of 5)
units
6.35mm 21.1mm Circular 11mm Black 0.75in - - Potentiometer - Low profile Plastic
RS Stock No. 777-7283
BrandRS PRO
MYR27.95
Each
units
6mm 38.6mm Circular 13.5mm Black - Black - Encoder - Push-On PVC
RS Stock No. 581-868
BrandRS PRO
MYR16.472
Each (In a Pack of 5)
units
6.35mm 14mm Circular 11mm Black 0.5in - - Potentiometer - Low profile Plastic
RS Stock No. 467-6061
BrandRS PRO
MYR2.042
Each (In a Pack of 5)
units
6mm 17mm D Shaped 19.5mm Black - Green 15.3mm Potentiometer - Push-On Plastic
RS Stock No. 467-6768
BrandRS PRO
MYR2.148
Each (In a Pack of 5)
units
6.4mm 17mm D Shaped 19.5mm Black - Green - Potentiometer - Push-On Plastic
RS Stock No. 465-9397
BrandRS PRO
MYR5.333
Each (In a Pack of 10)
units
6.35mm 15.7mm Screw Fix 19mm Black, Red - White 14mm Potentiometer - Push-On Plastic