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🔥 Seal it, heat it, forget it — the future of wire connections is here! 🔥
Kuject 50PCS Solder Seal Wire Connectors combine heat-activated soldering and waterproof sealing in a compact, flexible design. Engineered with dual hot-melt adhesive rings and high-temp resistant materials, these connectors deliver fast, reliable, and moisture-proof wire splicing. Certified to IATF16949:2016 automotive standards, they’re ideal for professional-grade repairs in automotive, marine, and industrial applications.
| ASIN | B07BJX51VT |
| Best Sellers Rank | 272 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 1 in Butt Terminals |
| Brand | Kuject |
| Colour | Transparent |
| Connector Type | Butt Splice |
| Connector type | Butt Splice |
| Contact Material | Copper |
| Contact material | Copper |
| Country Of Origin | China |
| Customer Reviews | 4.6 out of 5 stars 44,468 Reviews |
| Gauge | 14 |
| Insulation Material Type | Polyolefin" or "Polyvinyl Chloride |
| Insulation material | Polyolefin" or "Polyvinyl Chloride |
| Item Dimensions L x W x H | 13L x 9W x 1.8H centimetres |
| Item Weight | 0.04 Pounds |
| Manufacturer | Kuject |
| Manufacturer Part Number | WT050 |
| Material | Copper |
| Maximum Voltage | 120 Volts (AC) |
| Model Number | WT050 |
| Number of Items | 1 |
| Specification Met | CE, UL, VDE |
| Stud Size | 1/2 inch |
| Temperature Rating | 80-111°C |
| Terminal | Ring Terminal |
| Unit Count | 1.0 count |
C**N
Quick and Easy to Use
Excellent product. Very easy to join broken car wires. The solder and tube melts quickly using a heat gun and provides a secure join. Very quick to make a join. It would be better if there were more sizes of joint for thin wire.The cables I was fixing were in between 2 sizes of joint, but the larger joint melted enough to provide a secure fix.
S**Y
Brilliant bit of kit, a must to have.
Fantastic item. Worked a charm Tips. Slide the narrower end on first wind together, small dab of flux to help a good solder, slide back over, centralise, heat solder till it flows into wires then seal left and right, allow to cool without touching ... Perfect 👌👍
M**O
Easy and effective.
Not sure if it's the solder or the heat shrink that's holding the wires tightest but it's effective and makes joining wires simple. Solder in it has quite a low melting point so takes a bit longer than you might expect to harden again (give it a minute). I tried bodging 4 wires in one connector and it's still holding them solid. Personally I wouldn't trust it completely to insulate the wires, I think I'd put another heat shrink sleeve over the top because I'm not certain the solder part won't melt through and it'd be difficult to spot.
D**S
Nice
Nice product. Makes the wiring eaier so no need to solder them this doea it for you. Easy to use with heat gun
S**G
Works perfectly
I wish I had found these earlier... what a great way to join cables!
D**S
Good value for money.
Great to help waterproof a connection even if you don’t have a heat gun and just wrap electrical tape tightly around the connector.
D**S
Easier
Better than I expected
M**L
Not as good as hoped
The selection of sleeve sizes is good and they come in a nice box. The usage of them is disappointing, I did a couple of trial joints with the red and blue sizes, with 0.75 and 1.5mm wire. Initially I set the heat gun to 250C, which shrunk the sleeves, though didn't melt the solder. Next trial was at 300C, again shrunk sleeve and melted the solder, though it didn't flow into the joint and stranding of the wire. Tried 350C and on this time the solder flowed on the smaller diameter wire and little on the larger. A pull check indicated they were not well soldered as both came apart. My thoughts, the sleeves shrink down and the glue in them melts and flows, the solder ring has too high a melting point and needs improved flux to get the solder to flow. I'll use them, though I'll pre-solder the joint before heat shrinking. Have not tested the water resistance of these things yet.
J**I
Quick and easy to use
This product great. Saves so much time and provides a great solder. Plus it seals the ends so there is no need for electrical tape or shrink tubing. Perfect for many projects. AAA+++++
R**H
OK good
value for money
C**N
Connettori
Molto comodi per giunture elettriche su veicoli, varietà di misure buona
J**K
Handig
Super handige alles in 1 oplossing om kabels te solderen en isoleren. Scheelt een hoop tijd met dit setje.
B**D
Lötzinn sehr weich
Das Handling finde ich sehr gut. Einfach zusammen schieben und heiß machen. Da das Zinn aber sehr weich bleibt, kann man das ganze wieder auseinander reißen. Über die elektrische Verbindung (Wiederstand) kann ich nichts sagen. Bin aber skeptisch.
Trustpilot
2 weeks ago
4 days ago