Metal D-Type Potentiometer Knob Cap – 30MM Half-Shaft Switch
Metal D-Type Potentiometer Knob Cap – 30MM Half-Shaft Switch
Metal Potentiometer Knob – Aluminum Alloy D-Type Half-Shaft Cap
Upgrade your car audio controls, home appliances, or DIY electronics with this precision-crafted D-type half-shaft metal knob. Featuring a sturdy aluminum alloy and plastic construction, this knob cap fits snugly over 6MM protruding D-shaft potentiometers and rotary code switches, delivering a satisfying, professional feel with every turn.
Whether you're replacing a worn-out volume knob, customizing a home stereo, or building a custom control panel, this compact 30MM knob offers a clean, finished look and reliable grip for everyday use.
Key Features
- Material: Aluminum alloy & plastic composite for durability and a premium finish
- Diameter: 30MM – comfortable to grip and easy to turn
- Height: 13MM – low-profile design that fits neatly on any panel
- Shank: 5.5MM internal shaft hole
- Shaft Type: D-type half-shaft, compatible with 6MM protruding potentiometers and code switches
- Rated Voltage: 1V
- Versatile Use: Ideal for car audio systems, home appliances, amplifiers, mixing boards, and DIY electronics projects
- Condition: Brand new
- No high-concern chemicals – safe for everyday handling
Specifications
| Brand | NioCen |
| Material | Aluminum alloy & plastic |
| Diameter | 30MM |
| Height | 13MM |
| Shank | 5.5MM |
| Shaft Compatibility | D-type half-shaft, 6MM protruding |
| Rated Voltage | 1V |
| Country of Origin | Made in Mainland China |
Perfect For
- Car audio volume and tone controls
- Home appliance control panels
- DIY amplifiers and audio equipment
- Rotary encoders and potentiometer replacements
- Custom electronics and maker projects
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Frequently Asked Questions
Q: What shaft size does this metal potentiometer knob fit?
A: This D-type half-shaft knob is designed to fit 6MM protruding potentiometer and rotary code switch shafts. The internal shank measures 5.5MM, making it compatible with standard D-shaft components used in car audio systems, home appliances, and DIY electronics projects.
Q: What is the knob made of?
A: The knob is constructed from a combination of aluminum alloy and plastic, giving it a durable, premium feel while remaining lightweight. The aluminum alloy exterior provides a solid, professional finish suitable for both automotive and home appliance applications.
Q: Can I use this knob for a DIY electronics or amplifier project?
A: Yes! This 30MM D-type potentiometer knob cap is a versatile choice for DIY electronics builders, audio amplifier projects, mixing boards, and custom control panels — anywhere a standard 6MM D-shaft rotary control is used.