Aluminium knobs

Aluminium control knobs provide high precision, durability, and a premium feel for electronic equipment, audio devices, and industrial control systems. RoMaks Limited offers CNC-machined aluminium knobs engineered for smooth rotation, excellent grip, and long service life. Available in multiple diameters, shaft sizes, and surface finishes.

Subcategories

RMAlx-13x13 Aluminum...
RMAlx-13x13 is a premium aluminum control knob designed for professional electronic equipment. It features a compact 13×13 mm CNC-machined aluminum body, a 6 mm shaft hole, and a smooth matte surface for accurate and comfortable adjustment. Available in three elegant anodized colors — Gold, Silver, and Black — this knob combines durability with a high-end appearance.

Key Features
- CNC-machined high-quality aluminum body
- Compact size: 13 × 13 mm
- Shaft hole diameter: 6 mm
- Available colors: Gold, Silver, Black
- Smooth matte anodized finish
- Lightweight and corrosion-resistant
- Compatible with potentiometers and rotary encoders
- Provides stable and precise manual adjustment
Applications
- Electronic control panels
- Audio and Hi-Fi equipment
- DIY tube amplifiers
- Measurement and instrumentation devices
- Medical and laboratory equipment
- Industrial control systems
- Multimedia systems
- High-end electronic appliances
If you need OEM customization, special colors, logo engraving, or bulk quantities, please contact us at: sales@romaks.ltd.
RMAlx-20x22 Aluminum...
RMAlx-20x22 is a high-quality aluminum control knob designed for professional electronic equipment. It features a precision CNC-machined aluminum body with a diameter of 20 mm and a height of 22 mm. The knob includes a 6 mm shaft hole and a side set screw for secure mounting on potentiometers or rotary encoders. Available in three premium anodized colors — Gold, Silver, and Black.

Key Features
- CNC-machined high-grade aluminum construction
- Dimensions: Ø20 mm × 22 mm height
- Shaft hole diameter: 6 mm
- Side set screw for strong and stable fastening
- Available colors: Gold, Silver, Black
- Matte anodized finish for a premium appearance
- Corrosion-resistant and lightweight
- Compatible with potentiometers and rotary encoders
Applications
- Electronic control panels
- Audio and Hi-Fi equipment
- DIY tube amplifiers
- Measurement and instrumentation devices
- Medical and laboratory equipment
- Industrial control systems
- Multimedia systems
- High-end electronic appliances
If you need OEM customization, engraving, or bulk quantities, please contact us at: sales@romaks.ltd.
RMAlBx-25x15.5 Black...
RMAlBx-25x15.5 is a high-quality ribbed aluminum control knob with a black anodized body, designed for premium electronic equipment. Made from a solid aluminum alloy, the knob features a diameter of 25 mm, a height of 15.5 mm, a 6 mm shaft hole, and a side set screw for secure mounting on potentiometers or rotary encoders. It includes interchangeable colored rubber rings available in six options — Red, White, Black, Blue, Burgundy, and Gray — providing improved grip, aesthetic customization, and functional identification.

Key Features
- Solid aluminum alloy construction
- Ribbed surface for enhanced grip and precise control
- Black anodized body
- Dimensions: Ø25 mm × 15.5 mm height
- 6 mm shaft hole for wide compatibility
- Side set screw for secure fastening
- Colored rubber ring options: Red, White, Black, Blue, Burgundy, Gray
- Durable and corrosion-resistant finish
- Compatible with potentiometers and rotary encoders
Applications
- Power amplifiers
- Multimedia systems
- Hi-Fi audio equipment
- DIY tube amplifiers
- Electronic instruments and lab equipment
- Medical devices
- Industrial and measurement equipment
- High-end electronic appliances
If you need OEM customization, special ring colors, logo engraving, or bulk quantities, please contact us at: sales@romaks.ltd.
RMAlx-40x22 Aluminum...
RMAlx-40x22 is a premium heavy-duty aluminum control knob designed for high-end electronic equipment. It features a precision CNC-machined aluminum body with a diameter of 40 mm and a height of 22 mm. The knob includes a 6 mm shaft hole and a side set screw for secure and stable mounting on potentiometers or rotary encoders. Available in three anodized colors — Gold, Silver, and Black — offering a professional and stylish appearance.

Key Features
- CNC-machined high-grade aluminum body
- Large dimensions: Ø40 mm × 22 mm height
- 6 mm shaft hole for universal compatibility
- Side set screw for strong and reliable fastening
- Premium anodized finish: Gold, Silver, Black
- Corrosion-resistant, durable, and lightweight
- Ideal for large knobs on audio and industrial control panels
- Compatible with potentiometers and rotary encoders
Applications
- Audio and Hi-Fi equipment
- Electronic control panels
- Amplifiers and mixers
- Measurement and instrumentation devices
- Industrial control systems
- DIY tube amplifiers
- Professional multimedia equipment
- High-end electronic appliances
If you need OEM customization, engraving, special colors, or bulk quantities, please contact us: sales@romaks.ltd.
RMAlSx-25x15.5 Silver...
RMAlSx-25x15.5 is a premium ribbed aluminum control knob with a silver anodized body, designed for high-end electronic equipment. Manufactured from a solid aluminum alloy, the knob features a diameter of 25 mm, a height of 15.5 mm, a 6 mm shaft hole, and a side set screw for secure attachment to potentiometers or 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 visual customization.

Key Features
- Solid aluminum alloy construction
- Ribbed surface for excellent grip and precise adjustment
- Silver anodized body
- Dimensions: Ø25 mm × 15.5 mm height
- 6 mm shaft hole for compatibility with most potentiometers and encoders
- Side set screw for strong and reliable 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 measurement instruments
- Medical and laboratory devices
- Industrial and control equipment
- High-end electronic appliances
If you need OEM customization, special ring colors, logo engraving, or wholesale quantities, please contact us at: sales@romaks.ltd.
RMAlBx-30x22 Black...
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.
RMAlSx-30x22 Silver...
RMAlSx-30x22 is a premium ribbed aluminum control knob with a silver anodized body, designed for high-end audio and professional electronic equipment. Manufactured 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 ensuring secure mounting on potentiometers or rotary encoders. It is equipped with interchangeable colored rubber rings available in six options — Red, White, Black, Blue, Burgundy, and Gray — providing enhanced grip, ergonomic feel, and convenient function identification.

Key Features
- Solid aluminum alloy construction
- Ribbed surface for excellent grip and precise control
- Silver anodized body
- Dimensions: Ø30 mm × 22 mm height
- 6 mm shaft hole for compatibility with most potentiometers and encoders
- Side set screw for stable and secure fastening
- Colored rubber ring options: Red, White, Black, Blue, Burgundy, Gray
- Durable and corrosion-resistant finish
- Compatible with potentiometers and rotary encoders
Applications
- Power amplifiers
- Hi-Fi and audio equipment
- Multimedia systems
- DIY tube amplifiers
- Electronic instruments and measuring devices
- Medical and laboratory equipment
- Industrial control systems
- High-end electronic appliances
If you require OEM customization, special ring colors, logo engraving, or bulk quantities, please contact us at: sales@romaks.ltd.
RMAlx-17x10 Ribbed...
RMAlx-17x10 is a compact ribbed aluminum control knob designed for professional audio and electronic equipment. Made from a solid aluminum alloy, it features a diameter of 17 mm, a height of 10 mm, and a side set screw for secure fastening to potentiometers or rotary encoders. The knob is available in five anodized body colors — Black, Gold, Silver, Red, and Blue — offering a stylish appearance, high durability, and excellent tactile control.

Key Features
- Solid aluminum alloy construction
- Ribbed surface for improved grip and precise adjustment
- Dimensions: Ø17 mm × 10 mm height
- Side set screw for firm and secure mounting
- Available body colors: Black, Gold, Silver, Red, Blue
- Durable corrosion-resistant anodized coating
- Compatible with potentiometers and rotary encoders
Applications
- Power amplifiers
- Hi-Fi and audio systems
- Multimedia devices
- DIY tube amplifiers
- Electronic instruments and measurement devices
- Medical and laboratory equipment
- Industrial control panels
- High-end electronic appliances
If you need OEM customization, special colors, logo engraving, or bulk quantities, please contact us at: sales@romaks.ltd.