Standard Stock - 5*340PCS Heat Shrink Solder Seal Wire Connectors
Step-by-step guide: Strip, twist, and heat-seal wires with Haisstronica solder butt connectors.
Haisstronica solder but connectors prevent moisture in confined spaces for reliable joints.
Soldered and glued waterproof connections using Haisstronica solder wire connectors.
Haisstronica solder connectors certified by UL, CE, SGS for industrial safety.
How to use solder butt connectors: insert stripped wires, heat with gun until solder ring melts for a strong bond.

Standard Stock - 5*340PCS Heat Shrink Solder Seal Wire Connectors

$134.95 USD
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Keep high-use electrical supplies ready with this 5-pack of 340PCS Heat Shrink Solder Seal Wire Connectors. The multi-pack format is designed for workshops, installers, fleet maintenance, and frequent wiring projects that need consistent parts on hand.

What’s included

  • 5 complete packs of 340PCS Heat Shrink Solder Seal Wire Connectors
  • Matching products for consistent installation results
  • Convenient replenishment quantity for repeat jobs

A practical way to reduce reordering and keep your most-used connectors available when the next repair or installation starts.
 
 
 
 
Mechanic under open hood using Haisstronica case of heat shrink electrical terminals while repairing automotive wiring
Mechanic using Haisstronica heat shrink wire kit while working on a car engine bay, securing connectors for repairs

FAQ

Shipping

Most items are usually shipped within 3-5 working days.
We do recommend allowing up to 3 weeks for your order in peak times, such as a special offer or promotion. Delivery times are beyond our control but rest assured give you the best service.

Your delivery confirmation email will contain your tracking number and order details.

Other

Depending on the country of delivery, you may be required to pay extra tax or charges such as VAT and/or import duties.

We hope you love everything you purchase from Haisstronica but if you’re not 100% happy, we want to know about it. Please get in touch with all feedback about our products so we can continue improving our service for you.
You can return any item within 30 days of purchase. If you wish to return a product, you must notify Haisstronica within 7 days of receiving your item. Unfortunately due to logistics, we cannot accept return requests after this period.
All items being returned must be in new and resalable condition.
Refunds will be provided after the items have been received and inspected by Haisstronica. A 10% stocking fee will be deducted from the total amount.
Shipping charges are non-refundable.
Taxes and any other charges incurred by the customer are non-refundable.
Infographic of wiring connectors kit applications, covering solar arrays, boats, string lights, car batteries and panels
  • Keep it organized: The durable portable toolbox will not break during movement; ensure that the various connectors do not interfere with each other and are neat and orderly.
  • High Quality Connectors: The heat-shrinkable insulation is flexible and won't break, pure copper conducts electricity strongly, and the adhesive melts at the proper temperature and wraps the wires tightly to achieve a waterproof connection. Can be used in professional wire connection procedures.
  • Buyer Confidence: We stand behind the quality of our products. If for any reason you are not satisfied with your purchase, please contact us. We offer a 30-day money-back guarantee and a 12-month replacement warranty, giving customers a 100% satisfaction guarantee for risk-free purchases!
Close-up of insulated wire connectors joining red, blue, and yellow wires

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