Pack Size: 100 Heat Shrink Solder Butt Connectors

Our heat shrink solder butt connectors — also known as solder seal wire connectors or self-soldering butt crimps — are a fast, waterproof solution for joining two wires without the need for crimping tools.

Key Features:

🔗 Solder & Seal in One Step
Integrated solder ring with built-in flux melts and bonds wires securely when heated. Dual hot melt adhesive rings form a waterproof seal for long-lasting protection.

🟨🔵🔴⚪ Colour-Coded for Easy Identification

• White: 0.25–0.34mm² (24–22 AWG)

• Red: 0.5–1.5mm² (22–16 AWG)

• Blue: 1.5–2.5mm² (16–14 AWG)

• Yellow: 4.0–6.0mm² (12–10 AWG)

🌧️ Waterproof & Corrosion Resistant
Perfect for marine, automotive, trailer, and outdoor installations. Creates a moisture-tight connection that resists rust and vibration.

⚡ Voltage Rating: Up to 600V
🌡️ Operating Temperature: -45°C to +125°C
🔥 Shrink Activation: +125°C to 180°C

Ideal for professionals who want clean, fast, and insulated wire joins with no soldering iron required.