• Close-up of heat shrink ring terminals with copper conductor and heat shrink insulation for sealed electrical connections
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Heat Shrink Ring Terminals

Heat Shrink Ring Terminals

Heat Shrink Ring Terminals

Heat Shrink Ring Terminals are designed to provide a strong, secure, and fully sealed electrical connection for applications where reliability is critical. The closed ring design ensures a permanent connection under screws or studs, while the heat shrink insulation with adhesive lining creates a waterproof seal that protects against moisture, vibration, and corrosion. Ideal for automotive, marine, and industrial electrical installations.

Product Features

• High-conductivity copper conductor for excellent electrical performance
• Tin-plated finish for corrosion resistance and long service life
• Heat shrink polyolefin insulation with internal adhesive lining
• Closed ring design for secure, vibration-resistant connections
• Lined with hot melt adhesive for waterproof and weatherproof sealing
• Provides strain relief and mechanical protection
• Ensures clean, professional wire terminations
• Suitable for automotive, marine, industrial & electrical use

Technical Information

• Conductor Material: Copper
• Insulation Material: Polyolefin with adhesive lining
• Plating: Tin
• Minimum Shrink Temperature: 80°C
• Operating Temperature: -55°C to +125°C
• Adhesive: Hot melt adhesive lining
• Design: Heat shrink insulated ring terminal

Typical Uses

• Automotive and vehicle wiring systems
• Marine and boat electrical installations
• Electrical control panels and terminal blocks
• Industrial machinery and equipment wiring
• Power distribution and grounding applications

How to Request a Quote
  1. Find the size and product code you need from table below.
  2. Enter product code and quantities required
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  5. Once done, submit your quote to our sales team who will be in touch within 1 hour.

Alternatively feel free to call us now on 01279 656189 for an immediate response!
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SKU Size Color
HSRR40 4.0mm Red
HSRR50 4.0mm Blue
HSRR60 4.0mm Yellow
HSRR80 5.0mm Red
HSRR100 5.0mm Blue
HSBR40 5.0mm Yellow
HSBR50 6.0mm Red
HSBR60 6.0mm Blue
HSBR80 6.0mm Yellow
HSBR100 8.0mm Red
HSYR40 8.0mm Blue
HSYR50 8.0mm Yellow
HSYR60 10.0mm Red
HSYR80 10.0mm Blue
HSYR10 10.0mm Yellow
12.0mm Red
HSBR120 12.0mm Blue
HSYR120 12.0mm Yellow

Why shop with us?

  • Best priced trade discounts

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    We offer fast next-day delivery on all in-stock products from our warehouse in the UK. We never charge for minimum orders nor do we have minimum order quantities, so whether it’s a packet of fasteners or bulk quantities you can depend on our speedy next-day delivery to your address.

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Related Products

  • Decades of experience

  • Huge range of engineering finishing components

  • Best priced trade discounts

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Frequently Asked Questions

What are the main advantages of using heat shrink ring terminals?
Heat shrink ring terminals offer a secure, waterproof connection that resists moisture, vibration, and corrosion, ensuring reliable electrical performance in harsh environments like automotive, marine, and industrial settings.
How do heat shrink ring terminals ensure a watertight seal?
These terminals feature a heat shrink polyolefin insulation with an internal adhesive lining that creates a waterproof and weatherproof seal when heated, protecting electrical connections from moisture and contaminants.
Are heat shrink ring terminals compatible with high-vibration applications?
Yes, the closed ring design along with the heat shrink insulation provides a vibration-resistant, mechanically protected connection, making them ideal for high-vibration environments.
What materials are heat shrink ring terminals made of, and how do they resist corrosion?
They are constructed with high-conductivity copper conductors that are tin-plated, offering excellent electrical performance and corrosion resistance for long-lasting durability.
How should I install heat shrink ring terminals for optimal performance?
To install, insert the stripped wire into the terminal, crimp securely, then apply heat to shrink the insulation and activate the adhesive lining, creating a sealed, strain-relieved connection.