Quadrios 23C506 Uninsulated Ring Cable Lug, 4 mm² Wire, 4.3 mm Hole, M4 Bolt, Tin-Plated Copper, 100 pcs

Electricians and panel builders working on control cabinets, grounding bars, or power distribution will find the Quadrios 23C506 ring cable lug a reliable choice. It crimps onto stranded or solid copper conductors up to 4 mm², and the 4.3 mm hole fits an M4 stud or screw. The uninsulated tin-plated copper body provides a secure, corrosion-resistant connection for low-voltage electrical wiring.

Key specifications

• Product type: Ring cable lug
• Maximum wire cross-section: 4 mm²
• Hole diameter: 4.3 mm
• Compatible bolt size: M4
• Insulation: Uninsulated
• Material: Tin-plated copper
• Connection method: Crimp
• Quantity per pack: 100 pieces

Why choose it

The tin plating resists oxidation, ensuring long-term conductivity in demanding environments. The standard ring design allows easy installation on terminal blocks and grounding points, and the 100-piece pack keeps your workshop stocked for multiple projects.

Ideal use cases

• Terminating wires in electrical panels and junction boxes
• Creating reliable ground connections
• Wiring power supplies and industrial controls
• Automotive and marine electrical repairs

Good to know

Use a crimping tool sized for 4 mm² wire to achieve a gas-tight connection. The lug is uninsulated, so apply heat-shrink tubing or tape if insulation is required.