Heat Shrink Electrical Crimp Butt Connectors Kit 80/120/200PCS For AWG26-10

• High Quailty Copper Core: Core Heat shrink butt connectors use the copper core with high thickness, which is up to 0.5mm. Make connection project safer! High thickness copper core calls the attention of buyers.
• High Quailty Heat Shrink: Translucent heat shrink tubing provides high tensile strength and resistance to stretch and mechanical damage. Thick barrel ensures strong crimp every time. The inner wall of heat-shrinkable tube has enough hot melt adhesive to ensure waterproof performance. Your wire will never slip out of these heat shrink butt connectors.
• Application Areas: Application in areas such as automotive, watercraft, electrical and electronics industries, with 3 different sizes, So that repair work is much easier.
• Compliant With All Relevant Standards: Our heat shrink butt connectors are compliant with ROHS, ISO 9001: 2008, SGS and CE standards.
• Recognizable: Tubings of different colors with the mark of wire gauge are easy to recognize. Measure the wiring, and by checking the mark of wire gauge of the polyolefin tubing, you can choose the right connector very easily.

IP67 waterproof heat shrink butt connectors are designed for harsh environments and moisture protection.

3:1 adhesive heat shrink tubing helps seal the connection after heating.

Tinned copper barrels support stable conductivity and corrosion resistance.

Color-coded tubing and wire gauge markings make connector selection easier.

Thick copper core and heat shrink tubing help create a secure crimp and reduce wire slip-out.

Ideal Applications for Haisstronica Heat Shrink Butt Connectors

• Automotive Wiring Repairs & Installations:
  Use Haisstronica’s butt connectors with heat shrink to achieve weather-resistant, corrosion-proof splices in vehicle wiring harnesses, lighting systems, and electrical components.
  
• Marine & Boat Electrical Connections:
  Protect your marine electrical connections from moisture and corrosion with our marine-grade butt connector heat shrink solutions, ideal for boats, yachts, and watersports equipment.
  
• Residential & Commercial Electrical Projects:
  Achieve safer and cleaner connections for household wiring, industrial equipment, or commercial installations with these reliable butt connector wire solutions.

Why Professionals Trust Haisstronica Heat Shrink Butt Connectors

• When working with electrical or automotive wiring, you need connectors that offer maximum protection, durability, and ease of installation. Haisstronica’s heat shrink butt connectors deliver industry-leading performance, creating airtight, waterproof seals and stable electrical connections that stand up to harsh environments and daily wear.
• Secure your electrical connections with confidence using Haisstronica heat shrink butt connectors—the ideal solution for electricians, automotive technicians, and dedicated DIY hobbyists. Our heat shrinkable butt connectors provide superior insulation, unmatched durability, and reliable conductivity, ensuring long-lasting, professional-quality wiring every time.

Easy-to-Use Butt Connector Installation Process

1. Insert the stripped wires securely into the connector barrel.
2. Firmly crimp using a reliable crimping tool, ensuring a solid connection.
3. Heat the shrink tubing with a heat gun or lighter until the tube seals tightly around the connection, providing exceptional insulation and moisture protection.

Suitable for automotive wiring repairs, marine and boat electrical connections, home wiring, commercial projects, and underground wiring.

Useful for wiring harnesses, lighting systems, electrical components, watercraft, and general repair work.

• Haisstronica’s waterproof butt connectors deliver superior sealing performance, ideal for automotive and marine applications.
• Our heat shrink butt connectors feature a robust polyolefin tubing lined with hot melt adhesive, creating an airtight, moisture-resistant seal around connections.
• This waterproof barrier ensures your wires remain corrosion-free even in harsh marine or outdoor conditions. Whether you're repairing boat electronics or automotive wiring exposed to elements, our marine butt connectors guarantee reliable electrical performance.
• Trust our industry-leading butt splice wire connectors to protect your connections from water damage, maintaining safe, stable electrical systems in any environment.
• Designed to endure tough conditions, our heat shrink butt splice connectors offer exceptional stretch resistance and mechanical strength. The translucent polyolefin tubing in these butt connectors is engineered to withstand pulling, twisting, and vibration without compromising integrity.
• Our butt splice connectors deliver secure, reliable crimp connections that remain intact even under heavy mechanical stress. Ideal for industrial machinery, automotive wiring, and equipment subject to movement, these butt connectors heat shrink effectively protect your wiring from mechanical damage.
• Ensure the longevity of electrical connections with Haisstronica’s premium butt connector kit, crafted specifically for rigorous usage and lasting performance.
• Achieve secure, durable connections with Haisstronica’s heat shrink butt connectors, featuring a powerful inner-wall adhesive.
• Our advanced hot melt adhesive fully envelops wire connections upon heating, creating a sealed barrier that prevents slippage and ensures electrical stability.
• Each heat shrink butt connector delivers a solid, vibration-proof bond, perfect for automotive, marine, and heavy-duty applications.
• With our butt splice heat shrink connectors, rest assured your connections remain secure and insulated against external elements.
• The adhesive ensures that once crimped and shrunk, your wire butt connectors provide exceptional reliability, keeping wires locked safely in place for long-term use.
• Haisstronica butt connectors are versatile, making them ideal for multiple industries including automotive, marine, electronics, and DIY home projects.
• Available in various sizes and colors, our butt splice connectors easily accommodate diverse wire gauges, simplifying identification and ensuring quick installation.
• The clearly marked butt connector sizes make choosing the right connector straightforward, enhancing productivity and accuracy.
• Whether repairing boat wiring, automotive harnesses, home appliances, or outdoor electrical systems, our comprehensive butt connector kit meets every requirement.
• Experience convenience, reliability, and consistent quality with Haisstronica’s broad range of insulated and non-insulated butt connectors, tailored specifically for multiuse electrical applications.

High-Quality, Safer Butt Splices

Built around a thick 0.5 mm copper core, these Haisstronica heat shrink connectors turn every electrical butt splice into a solid, low-resistance joint. Each sleeve is engineered for clean solder butt splices and consistent butt splice crimps, keeping power flowing reliably in automotive, marine, and household circuits.

Durable Shrink Protection That Stays Put

Our translucent tubing turns these into true shrink butt connectors, combining high tensile strength with hot-melt adhesive that seals out moisture and abrasion. Once heated, your wire butts are fully encapsulated, so the connection won’t pull out, loosen, or corrode in demanding environments.

Easy Size & Color Identification

Color-coded barrels make it simple to pick the right piece at a glance—from compact butt end connectors to larger yellow butt sleeves and red butt splices for heavier gauges. Just match the printed gauge marks to your wire size and crimp with confidence in panels, harnesses, and junction boxes.

Installer-Friendly, Tool-Ready Design

Whether you prefer a dedicated but splice crimper or compact hand tools, these connectors are shaped for fast, repeatable terminations at any terminal butt location. For quick field repairs, they also pair well with semi-crimpless butt connectors, giving techs flexible options on boats, vehicles, or job sites.

Built for Pros, Clear for Beginners

If you’ve ever searched “what is butt splice” while planning a repair, this kit gives you the complete answer in your hand. From standard sleeves to niche terms like butt bullet and bullet butt, Haisstronica delivers a robust, pro-grade butt splice system that’s easy enough for DIYers and tough enough for daily shop use.