RS PRO 21.3 mm Knob Diameter Black Potentiometer Knob for 6 mm Shaft Circular

These collet knobs from our own RS PRO brand are both robust and practical as well as sporting a distinctive aesthetic. The brass bushings provide a secure and durable connection and the high-quality plastic knob features a gloss finish.

• Resists shock, vibration, or accidental movement

There are many different uses of a potentiometer. The three main applications of a potentiometer are:

Most potentiometer knobs are simply fixed on manually with a simple push by fitting it to the shaft. They either have a knob, screw, grub, or slider as a fixture that is used as a control element to vary the resistance between the middle terminal and either one of the outer terminals for the potentiometer.

RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards; they’re only given the RS PRO seal of approval if we’re confident of their exceptional quality, which means you can be confident too.

A comprehensive range of collet knobs and accessories combining excellent styling with good functional features with a simplicity of assembly.
All collet knob bodies, caps and nut covers are manufactured in nylon with a finely textured matt finish. Collets, housing and nuts are fitted into the knobs during manufacture, made of brass and will accommodate a wide range of shaft lengths and diameters.
Knobs and caps are available separately to allow maximum choice and fixing keys are also available to allow speedy knob fixing.