RMAlBx-30x22 Black Ribbed Aluminum Knob Ø30×22 mm (Side Set Screw, Colored Rubber Rings)

RMAlBx-30x22 is a premium ribbed aluminum control knob with a black anodized body, designed for high-end audio and professional electronic equipment. Made from a solid aluminum alloy, the knob features a diameter of 30 mm, a height of 22 mm, a 6 mm shaft hole, and a side set screw for secure mounting on potentiometers and rotary encoders. It includes interchangeable colored rubber rings available in six options — Red, White, Black, Blue, Burgundy, and Gray — providing enhanced grip, improved ergonomics, and easy functional identification.

Key Features

• Solid aluminum alloy construction
• Ribbed surface for excellent grip and precise adjustment
• Black anodized body
• Dimensions: Ø30 mm × 22 mm height
• 6 mm shaft hole for wide compatibility
• Side set screw for secure and stable fastening
• Colored rubber ring options: Red, White, Black, Blue, Burgundy, Gray
• Durable corrosion-resistant finish
• Compatible with potentiometers and rotary encoders

Applications

• Power amplifiers
• Hi-Fi and audio equipment
• Multimedia systems
• DIY tube amplifiers
• Electronic measuring instruments
• Medical and laboratory devices
• Industrial control and automation systems
• High-end electronic appliances

If you require OEM customization, special ring colors, logo engraving, or wholesale quantities, please contact us at: sales@romaks.ltd.