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Heat Shrink Kits

Our convenient heat shrink kits include precut 4" lengths of multiple diameter heat shrink pieces, and come in a re-closable and reusable plastic case. when one size runs out, just buy one of our 4' strips and cut it down for a refill!

10 products


  • 3/16" - 3/4" Red Assorted Dual Wall Heat Shrink Tubing Kit 62 Pieces

    Thermosleeve 3/16" - 3/4" Red Assorted Dual Wall Heat Shrink Tubing Kit (62 Pieces)

    4 in stock

    Thermosleeve DWHSTBOX62R 3/16" - 3/4" Red Assorted Dual Wall Heat Shrink Tubing Kit (62 Pieces) The Thermosleeve DWHSTBOX62R is a versatile dual-wall heat shrink tubing kit that includes 62 pieces of assorted red tubing, ranging from 3/16" to 3/4" in diameter. This kit is designed for applications that require reliable electrical insulation, waterproofing, and mechanical protection. The dual-wall construction with an inner adhesive lining provides a secure, watertight seal when heated, making it ideal for environments where durability and safety are critical. The bright red color enhances visibility and ease of wire identification. Key Features Kit Contents: 62 pieces of assorted sizes Tubing Diameters: Ranges from 3/16" to 3/4" Color: Red Shrink Ratio: 3:1 Material: Polyolefin with adhesive lining Operating Temperature: -55°C to +110°C Flame Retardant: Yes Waterproof: Provides a watertight seal Compliance: Meets UL, CSA, and RoHS standards Detailed Specifications Specification Details Kit Contents 62 pieces, assorted sizes Tubing Sizes Included 3/16", 1/4", 3/8", 1/2", 3/4" Shrink Ratio 3:1 Material Polyolefin with adhesive lining Wall Thickness (Recovered) 1.0 mm - 2.0 mm Operating Temperature Range -55°C to +110°C (-67°F to 230°F) Dielectric Strength ≥ 15 kV/mm Adhesive Lining Yes Flame Retardant Yes Waterproof Yes Standards UL224, CSA, RoHS Kit Contents Breakdown 3/16" Diameter: 20 pieces (4 inches each) 1/4" Diameter: 15 pieces (4 inches each) 3/8" Diameter: 10 pieces (4 inches each) 1/2" Diameter: 10 pieces (4 inches each) 3/4" Diameter: 7 pieces (4 inches each) Applications The Thermosleeve DWHSTBOX62R heat shrink tubing kit is suitable for a variety of applications, including: Electrical Insulation: Provides excellent insulation for wires and electrical connections, reducing the risk of electrical failures. Sealing and Waterproofing: The inner adhesive lining ensures a watertight seal, ideal for use in outdoor or moisture-prone environments. Mechanical Protection: Offers robust protection against abrasion, corrosion, and physical damage, extending the life of cables and components. Color Coding: The red color facilitates easy identification and organization of wiring systems. Strain Relief: Helps relieve stress at connection points, preventing wear and tear due to movement or vibration. Repair and Maintenance: Perfect for repairing damaged wire insulation and maintaining electrical systems in various settings. Example Installation Scenario Imagine you are setting up a complex electrical system for an industrial automation project. The environment is demanding, with exposure to dust, moisture, and mechanical stress. Using the Thermosleeve DWHSTBOX62R kit, you can ensure that your wires are not only well-insulated but also easily identifiable thanks to the bright red color. The dual-wall tubing with adhesive lining provides a watertight seal, protecting against environmental factors and ensuring a reliable, long-term installation. Why Choose Thermosleeve DWHSTBOX62R? Comprehensive Assortment: The variety of sizes included in the kit provides flexibility for multiple applications. High-Quality Material: Made from durable polyolefin with an adhesive lining, ensuring long-lasting protection. Enhanced Safety: Meets strict safety standards, suitable for use in both commercial and residential projects. Easy Identification: The red color aids in quick identification and organization of different wiring systems. Installation Instructions Select Appropriate Size: Choose the tubing size that matches your application requirements. Measure and Cut: Cut the tubing to the required length, allowing for extra coverage. Position Tubing: Slide the tubing over the wire or component to be protected. Apply Heat: Use a heat gun to apply heat evenly along the tubing until it shrinks and the adhesive lining melts, creating a tight seal. Cool Down: Allow the tubing to cool and solidify, ensuring a secure and watertight fit. Purchase and Warranty Information Tri-Tek Electronics is an authorized distributor of Thermosleeve products, ensuring you receive genuine products with full manufacturer warranties. This guarantees the best pricing, quality, and factory support for all your needs. 

    4 in stock

    $23.99 $16.99

  • 3/16" - 3/4" Black Assorted Dual Wall Heat Shrink Tubing Kit 62 Pieces

    Thermosleeve 3/16" - 3/4" Black Assorted Dual Wall Heat Shrink Tubing Kit (62 Pieces)

    4 in stock

    Thermosleeve DWHSTBOX62B 3/16" - 3/4" Black Assorted Dual Wall Heat Shrink Tubing Kit (62 Pieces) The Thermosleeve DWHSTBOX62B is a comprehensive dual-wall heat shrink tubing kit designed for a wide range of electrical insulation and protection needs. This kit includes 62 pieces of assorted black heat shrink tubing, covering diameters from 3/16" to 3/4". Each tubing piece features a dual-wall construction with an adhesive lining that melts and flows when heated, providing a watertight seal and robust mechanical protection. Ideal for professionals and DIY enthusiasts alike, this kit offers versatility and reliability for various applications. Key Features Kit Contents: 62 pieces of assorted sizes Tubing Diameters: Ranges from 3/16" to 3/4" Color: Black Shrink Ratio: 3:1 Material: Polyolefin with adhesive lining Operating Temperature: -55°C to +110°C Flame Retardant: Yes Waterproof: Provides a watertight seal Compliance: Meets UL, CSA, and RoHS standards Detailed Specifications Specification Details Kit Contents 62 pieces, assorted sizes Tubing Sizes Included 3/16", 1/4", 3/8", 1/2", 3/4" Shrink Ratio 3:1 Material Polyolefin with adhesive lining Wall Thickness (Recovered) 1.0 mm - 2.0 mm Operating Temperature Range -55°C to +110°C (-67°F to 230°F) Dielectric Strength ≥ 15 kV/mm Adhesive Lining Yes Flame Retardant Yes Waterproof Yes Standards UL224, CSA, RoHS Kit Contents Breakdown 3/16" Diameter: 20 pieces (4 inches each) 1/4" Diameter: 15 pieces (4 inches each) 3/8" Diameter: 10 pieces (4 inches each) 1/2" Diameter: 10 pieces (4 inches each) 3/4" Diameter: 7 pieces (4 inches each) Applications The Thermosleeve DWHSTBOX62B heat shrink tubing kit is versatile and suitable for a variety of applications including: Electrical Insulation: Provides excellent electrical insulation for wires and connections, reducing the risk of shorts and electrical failures. Sealing and Waterproofing: The adhesive lining ensures a watertight seal, ideal for outdoor and marine applications where moisture protection is crucial. Mechanical Protection: Offers robust protection against abrasion, corrosion, and mechanical damage, extending the life of your cables and components. Strain Relief: Helps in relieving strain at connection points, preventing wear and tear due to movement or vibration. Repair and Maintenance: Ideal for repairing damaged insulation on wires and cables, and for maintaining electrical systems in various environments. Example Installation Scenario Imagine you are working on a wiring project for a boat where electrical connections are frequently exposed to water and harsh conditions. Using the Thermosleeve DWHSTBOX62B kit, you can provide effective insulation and waterproofing for the wiring. The dual-wall construction with adhesive lining ensures a secure, watertight seal, protecting the connections from moisture and preventing corrosion. The variety of sizes included in the kit allows you to tackle different parts of the project with ease, ensuring a professional and reliable installation. Why Choose Thermosleeve DWHSTBOX62B? Comprehensive Kit: The assortment of sizes and the number of pieces provide flexibility and convenience for various projects. High-Quality Material: Made from durable polyolefin with an adhesive lining, ensuring long-lasting performance. Enhanced Protection: Offers superior insulation, mechanical protection, and waterproofing for a wide range of applications. Compliance and Safety: Meets stringent safety standards, making it suitable for both commercial and residential use. Installation Instructions Select Appropriate Size: Choose the tubing size that fits your application needs. Measure and Cut: Measure the required length and cut the tubing to size. Position Tubing: Slide the tubing over the wire or component to be protected. Apply Heat: Use a heat gun to apply heat evenly along the tubing until it shrinks and the adhesive flows, ensuring a tight seal. Cool Down: Allow the tubing to cool and solidify, forming a secure and durable protection. Purchase and Warranty Information Tri-Tek Electronics is an authorized distributor of Thermosleeve products, ensuring genuine items with full manufacturer warranties. This guarantees the best pricing, quality, and factory support.

    4 in stock

    $23.99 $17.99

  • 12-10 AWG Heat Shrink Insulated Solder Butt Connectors

    NTE 12-10 AWG Heat Shrink Insulated Solder Butt Connectors

    3 in stock

    NTE 76-HISBC12 Yellow 12-10 AWG Heat Shrink Insulated Butt Connectors with Internal Fluxed Solder Ring, 10/pkg Tri-Tek Electronics is an authorized distributor of NTE products, ensuring full manufacturer warranty coverage and best pricing and factory support. The NTE 76-HISBC12 Yellow Heat Shrink Insulated Butt Connectors are designed for reliable and efficient wire connections. These connectors feature an internal fluxed solder ring, eliminating the need for crimping, and are perfect for DIY enthusiasts and professional technicians seeking superior performance and ease of use. Features and Specifications Type: Heat Shrink Insulated Butt Connectors with Internal Fluxed Solder Ring Wire Gauge Compatibility: 12-10 AWG Package Quantity: 10 No Crimping Required: Simplifies the installation process Heat Shrink Properties: Adhesive Lined: Ensures a secure and waterproof seal Color Coded: Matches industry-standard wire gauges for easy identification Transparent Sleeve: Allows for precise visual inspection of the connection Greater Pull Strength: Outperforms PVC or nylon insulated butt connectors Corrosion Protection: Provides a fully waterproof seal Voltage Rating: 1000V Temperature Rating: +125°C Shrink Ratio: 2:1 Example Installation Scenario These heat shrink butt connectors are ideal for automotive, marine, and industrial applications where a robust and waterproof connection is crucial. For example, they can be used in marine wiring systems to ensure that connections remain secure and corrosion-free, even in harsh environments. The internal solder ring guarantees a strong bond without the need for crimping, making the installation process quick and reliable. Why Choose NTE 76-HISBC12 Heat Shrink Butt Connectors? No Crimping Required: Simplifies the connection process and ensures a reliable bond. Enhanced Durability: Adhesive-lined heat shrink provides superior protection against environmental factors. Ease of Inspection: Transparent sleeve allows for easy visual verification of proper installation. High Performance: Rated for 1000V and +125°C, suitable for a wide range of demanding applications.

    3 in stock

    $15.99 $13.29

  • 12-10AWG Heat Shrink Solder Seal Splices, 50/pkg. 12-10AWG Heat Shrink Solder Seal Splices, 50/pkg.

    TeknoCrafters 12-10AWG Heat Shrink Solder Seal Splices

    24 in stock

    TeknoCrafters SWT-12/10-50 Yellow 12-10 AWG Heat Shrink Insulated Butt Connectors with Internal Fluxed Solder Ring, 10/pkg Tri-Tek Electronics is the exclusive distributor of TeknoCrafters products, ensuring full manufacturer warranty coverage and best pricing and factory support. TeknoCrafters SWT-12/10 Yellow Heat Shrink Insulated Butt Connectors are designed for reliable and efficient wire connections. These connectors feature an internal fluxed solder ring, eliminating the need for crimping, and are perfect for DIY enthusiasts and professional technicians seeking superior performance and ease of use. Features and Specifications Type: Heat Shrink Insulated Butt Connectors with Internal Fluxed Solder Ring Wire Gauge Compatibility: 12-10 AWG Package Quantity: 50 No Crimping Required: Simplifies the installation process Heat Shrink Properties: Adhesive Lined: Ensures a secure and waterproof seal Color Coded: Matches industry-standard wire gauges for easy identification Transparent Sleeve: Allows for precise visual inspection of the connection Greater Pull Strength: Outperforms PVC or nylon insulated butt connectors Corrosion Protection: Provides a fully waterproof seal Voltage Rating: 1000V Temperature Rating: +125°C Shrink Ratio: 2:1 Example Installation Scenario These heat shrink butt connectors are ideal for automotive, marine, and industrial applications where a robust and waterproof connection is crucial. For example, they can be used in marine wiring systems to ensure that connections remain secure and corrosion-free, even in harsh environments. The internal solder ring guarantees a strong bond without the need for crimping, making the installation process quick and reliable. Why Choose TeknoCrafters SWT-12/10 Heat Shrink Butt Connectors? No Crimping Required: Simplifies the connection process and ensures a reliable bond. Enhanced Durability: Adhesive-lined heat shrink provides superior protection against environmental factors. Ease of Inspection: Transparent sleeve allows for easy visual verification of proper installation. High Performance: Rated for 1000V and +125°C, suitable for a wide range of demanding applications.

    24 in stock

    $11.95

  • 120-Piece Heat Shrink Solder Seal Connector Kit: Waterproof Butt Connectors for Secure Joining 120-Piece Heat Shrink Solder Seal Connector Kit: Waterproof Butt Connectors for Secure Joining

    TeknoCrafters 120pc. Heat Shrink Solder Seal Splices

    9 in stock

    TeknoCrafters SWT-KIT 120 piece Heat Shrink Solder Seal Wire Butt Connector Kit  Time Saver - solderless, crimpless, all you need is just a heat gun to finish the joint, much faster and easier than the old way.  Perfect for Confined and Narrow Spaces - can be bent after connection and no need to crimp or solder in a confined area, just use a heat gun.  Better Waterproof and Seal Performance - there are two hot melt waterproof adhesive rings in each butt connector, which helps it hold up better to moisture. High Temperature Resistance in A Short Time - uses exclusive material to avoid shrink tubing melting before solder ring. IATF16949:2016 Listed: -The TeknoCrafters SWT solder seal connectors meet the newest standard of International Automotive Task Force, the most standardized and safest way to repair or modify automobile wiring.   Contains: 30 x White 26-24AWG Connectors 40 x Red 22-18AWG Connectors 40 x Blue 16-14AWG Connectors 10 x Yellow 12-10AWG Connectors    

    9 in stock

    $19.99 $16.99

  • 16-14AWG Heat Shrink Solder Seal Splices, 50/pkg. 16-14AWG Heat Shrink Solder Seal Splices, 50/pkg.

    TeknoCrafters 16-14AWG Heat Shrink Solder Seal Splices

    3 in stock

    TeknoCrafters SWT-16/14-50 16-14AWG Heat Shrink Solder Seal Splices, 50/pkg Tri-Tek Electronics is an authorized distributor of TeknoCrafters products, ensuring full manufacturer warranty coverage and best pricing and factory support. Product Overview The TeknoCrafters SWT-16/14-50 Heat Shrink Solder Seal Splices are designed to provide reliable, waterproof connections for 16-14 AWG wires. These splices simplify the process of wire joining by combining the benefits of heat shrink tubing and solder seal technology. Ideal for various applications including automotive, marine, and general wiring projects, these splices ensure secure and durable connections. Features and Specifications Wire Gauge Compatibility: 16-14 AWG Package Quantity: 50 Heat Shrink Properties: Adhesive Lined: Ensures a secure and waterproof seal Color Coded: Matches industry-standard wire gauges for easy identification Transparent Sleeve: Allows for precise visual inspection of the connection No Crimping Required: Simplifies the installation process Internal Solder Ring: Provides a strong, reliable bond Greater Pull Strength: Outperforms PVC or nylon insulated connectors Corrosion Protection: Fully waterproof seal protects against environmental factors Shrink Ratio: 2:1 Example Installation Scenario These heat shrink solder seal splices are perfect for automotive wiring repairs, ensuring connections remain secure and corrosion-free even in harsh conditions. For instance, they can be used to repair wiring in a car’s engine compartment, providing a robust connection that withstands high temperatures and exposure to fluids. Why Choose TeknoCrafters SWT-16/14-50 Heat Shrink Solder Seal Splices? Easy Installation: No crimping required, just heat to apply. Reliable Performance: Internal solder ring ensures a strong bond. Enhanced Durability: Adhesive-lined heat shrink provides superior protection against environmental factors. Visual Inspection: Transparent sleeve allows for easy verification of proper installation. Versatile Applications: Suitable for automotive, marine, and general wiring projects.

    3 in stock

    $10.95

  • 18-16 AWG Heat Shrink Insulated Solder Butt Connectors

    NTE 18-16 AWG Heat Shrink Insulated Solder Butt Connectors

    3 in stock

    NTE 76-HISBC16 Blue 16-14 AWG Heat Shrink Insulated Butt Connectors with Internal Fluxed Solder Ring, 10/pkg Tri-Tek Electronics is an authorized distributor of NTE products, ensuring full manufacturer warranty coverage and best pricing and factory support. Product Overview The NTE 76-HISBC16 Blue Heat Shrink Insulated Butt Connectors are designed for dependable and efficient wire connections. These connectors feature an internal fluxed solder ring, eliminating the need for crimping, and are perfect for DIY enthusiasts and professional technicians seeking superior performance and ease of use. Please note, this is a closeout item with limited stock and availability. Features and Specifications Type: Heat Shrink Insulated Butt Connectors with Internal Fluxed Solder Ring Wire Gauge Compatibility: 16-14 AWG Package Quantity: 10 No Crimping Required: Simplifies the installation process Heat Shrink Properties: Adhesive Lined: Ensures a secure and waterproof seal Color Coded: Matches industry-standard wire gauges for easy identification Transparent Sleeve: Allows for precise visual inspection of the connection Greater Pull Strength: Outperforms PVC or nylon insulated butt connectors Corrosion Protection: Provides a fully waterproof seal Voltage Rating: 1000V Temperature Rating: +125°C Shrink Ratio: 2:1 Example Installation Scenario These heat shrink butt connectors are ideal for automotive, marine, and industrial applications where a robust and waterproof connection is crucial. For example, they can be used in marine wiring systems to ensure that connections remain secure and corrosion-free, even in harsh environments. The internal solder ring guarantees a strong bond without the need for crimping, making the installation process quick and reliable. Why Choose NTE 76-HISBC16 Heat Shrink Butt Connectors? No Crimping Required: Simplifies the connection process and ensures a reliable bond. Enhanced Durability: Adhesive-lined heat shrink provides superior protection against environmental factors. Ease of Inspection: Transparent sleeve allows for easy visual verification of proper installation. High Performance: Rated for 1000V and +125°C, suitable for a wide range of demanding applications.

    3 in stock

    $15.69 $12.99

  • 22-16AWG Heat Shrink Solder Seal Splices 22-16AWG Heat Shrink Solder Seal Splices

    TeknoCrafters 22-16AWG Heat Shrink Solder Seal Splices

    19 in stock

    TeknoCrafters SWT-22/16-50 22-16 AWG Heat Shrink Solder Seal Splices, 50/pkg Tri-Tek Electronics is an authorized distributor of TeknoCrafters products, ensuring full manufacturer warranty coverage and best pricing and factory support. Product Overview The TeknoCrafters SWT-22/16-50 Heat Shrink Solder Seal Splices are designed for reliable, waterproof connections for 22-16 AWG wires. These splices combine the benefits of heat shrink tubing and solder seal technology, making the wire joining process both efficient and robust. Ideal for a wide range of applications, including automotive, marine, and general wiring projects, these splices ensure secure and durable connections. Features and Specifications Wire Gauge Compatibility: 22-16 AWG Package Quantity: 50 Heat Shrink Properties: Adhesive Lined: Ensures a secure and waterproof seal Color Coded: Matches industry-standard wire gauges for easy identification Transparent Sleeve: Allows for precise visual inspection of the connection No Crimping Required: Simplifies the installation process Internal Solder Ring: Provides a strong, reliable bond Greater Pull Strength: Outperforms PVC or nylon insulated connectors Corrosion Protection: Fully waterproof seal protects against environmental factors Shrink Ratio: 2:1 Example Installation Scenario These heat shrink solder seal splices are perfect for automotive wiring repairs, ensuring connections remain secure and corrosion-free even in harsh conditions. For instance, they can be used to repair wiring in a car’s engine compartment, providing a robust connection that withstands high temperatures and exposure to fluids. Why Choose TeknoCrafters SWT-22/16-50 Heat Shrink Solder Seal Splices? Easy Installation: No crimping required, just heat to apply. Reliable Performance: Internal solder ring ensures a strong bond. Enhanced Durability: Adhesive-lined heat shrink provides superior protection against environmental factors. Visual Inspection: Transparent sleeve allows for easy verification of proper installation. Versatile Applications: Suitable for automotive, marine, and general wiring projects.

    19 in stock

    $10.95

  • 26-24AWG Heat Shrink Solder Seal Splices 26-24AWG Heat Shrink Solder Seal Splices

    TeknoCrafters 26-24AWG Heat Shrink Solder Seal Splices

    29 in stock

    TeknoCrafters SWT-26/24-50 22-16 AWG Heat Shrink Solder Seal Splices, 50/pkg Tri-Tek Electronics is an authorized distributor of TeknoCrafters products, ensuring full manufacturer warranty coverage and best pricing and factory support. Product Overview The TeknoCrafters SWT-26/24-50 Heat Shrink Solder Seal Splices are designed for reliable, waterproof connections for 26-24 AWG wires. These splices combine the benefits of heat shrink tubing and solder seal technology, making the wire joining process both efficient and robust. Ideal for a wide range of applications, including automotive, marine, and general wiring projects, these splices ensure secure and durable connections. Features and Specifications Wire Gauge Compatibility: 26-24 AWG Package Quantity: 50 Heat Shrink Properties: Adhesive Lined: Ensures a secure and waterproof seal Color Coded: Matches industry-standard wire gauges for easy identification Transparent Sleeve: Allows for precise visual inspection of the connection No Crimping Required: Simplifies the installation process Internal Solder Ring: Provides a strong, reliable bond Greater Pull Strength: Outperforms PVC or nylon insulated connectors Corrosion Protection: Fully waterproof seal protects against environmental factors Shrink Ratio: 2:1 Example Installation Scenario These heat shrink solder seal splices are perfect for automotive wiring repairs, ensuring connections remain secure and corrosion-free even in harsh conditions. For instance, they can be used to repair wiring in a car’s engine compartment, providing a robust connection that withstands high temperatures and exposure to fluids. Why Choose TeknoCrafters SWT-26/24-50 Heat Shrink Solder Seal Splices? Easy Installation: No crimping required, just heat to apply. Reliable Performance: Internal solder ring ensures a strong bond. Enhanced Durability: Adhesive-lined heat shrink provides superior protection against environmental factors. Visual Inspection: Transparent sleeve allows for easy verification of proper installation. Versatile Applications: Suitable for automotive, marine, and general wiring projects.

    29 in stock

    $7.95

  • 50pc. Heat Shrink Solder Seal Splices 50pc. Heat Shrink Solder Seal Splices

    TeknoCrafters 50pc. Heat Shrink Solder Seal Splices

    24 in stock

    TeknoCrafters SWT-KIT-50 50 piece Heat Shrink Solder Seal Wire Butt Connector Kit  Time Saver - solderless, crimpless, all you need is just a heat gun to finish the joint, much faster and easier than the old way.  Perfect for Confined and Narrow Spaces - can be bent after connection and no need to crimp or solder in a confined area, just use a heat gun.  Better Waterproof and Seal Performance - there are two hot melt waterproof adhesive rings in each butt connector, which helps it hold up better to moisture. High Temperature Resistance in A Short Time - uses exclusive material to avoid shrink tubing melting before solder ring. IATF16949:2016 Listed: -The TeknoCrafters SWT solder seal connectors meet the newest standard of International Automotive Task Force, the most standardized and safest way to repair or modify automobile wiring.   Contains: 10 x White 26-24AWG Connectors 20 x Red 22-18AWG Connectors 15 x Blue 16-14AWG Connectors 5 x Yellow 12-10AWG Connectors    

    24 in stock

    $14.99 $9.99

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