A BNC metal plug is a heavy-duty RF connector used to terminate coaxial cables for CCTV cameras, video equipment, and radio gear. It features a quick-lock bayonet mechanism and a durable metal body that blocks signal interference better than plastic types.
Key Features
- Locking style: Push and twist (bayonet turn) for a tight grip.
- Build material: Solid brass, zinc alloy, or copper-plated steel.
- Common impedance: 50-ohm (radio/data) or 75-ohm (video/CCTV).
Common Types of Metal BNC Plugs
- Crimp-on: Requires a special crimp tool to squeeze a metal ring onto the cable.
- Twist-on: Screws directly onto the outer braid of the coaxial cable without special tools.
- Screw-terminal (Solderless): Includes a tiny built-in block with a screw to clamp the center wire down manually using a small screwdriver.
- Spring-relief type: Features a metal coil at the back to stop the cable from bending or breaking too sharply.
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