RS PRO 21mm Black, Red Potentiometer Knob for 6.35mm Shaft Splined

This Grub-Screw Knob Potentiometer from our own RS PRO brand is designed to be used for professional equipment to control electrical devices such as volume controls on audio equipment.

A potentiometer (or sometimes known as Pot) is a variable resistor. They come in a wide range of shapes and are used in various applications in your daily life.

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 offer a variety of Grub-screw knobs with different types of finishes, shapes and screw fixings. Available in diameter range from 11.6mm to 28mm, with red, black or grey caps. Easy to fix on.

• Grub screw knob moulds in variety of shaft sizes and materials
• Available in diameters from 11.6mm to 28mm, with red, black or grey caps

RS PRO is our own brand range and brings you a wide range of high-quality 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.