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🔧 Connect with Confidence, Seal with Style!
The haisstronica 50PCS Heat Shrink Butt Connectors (12-10 AWG) combine industrial-grade copper cores with 3:1 adhesive-lined heat shrink tubing, delivering waterproof, high-strength wire splices. Certified to global standards and rated IP67, these connectors are perfect for automotive, marine, and electrical projects requiring reliable, professional-grade performance in bulk quantities.
| ASIN | B09B9CZMNL |
| Best Sellers Rank | #962 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #6 in Ring Terminals |
| Brand Name | haisstronica |
| Color | Yellow |
| Connector Type | Butt Splice, Crimp |
| Contact Material | Copper |
| Customer Reviews | 4.7 out of 5 stars 227 Reviews |
| Insulation Material | Polyolefin |
| Insulation Material Type | Polyolefin |
| Manufacturer | haisstronica |
| Material | Copper |
| Material Type | Copper |
| Model | HX1231 |
| Number of Items | 50 |
| Part Number | HS-1231 |
| Specification Met | CE, RoHS |
| Temperature Rating | 257 degree fahrenheit |
| Terminal | Butt Terminal |
D**N
Good product performance, good value
Very good product compared to others I have bought but found would not hold a crimp. Seals nicely!
C**S
Excellent Quality Connectors.. Strong, Sealed, and Reliable!
These Haisstronica blue heat shrink butt connectors are top-notch. The material feels durable, the crimp holds tight, and the heat shrink seals perfectly creating a waterproof and professional-looking connection every time. I’ve used them for automotive wiring and marine projects, and they perform great even in tough environments. The shrink tubing melts evenly with a heat gun and the adhesive inside gives a strong, secure bond. It’s also nice that they come well organized in a sturdy box with plenty of pieces for multiple projects. Great value and dependable quality, highly recommend!
A**N
Good easy to use product. I’ve never used this before, but I like it.
Good product, used it to splice underground cables for low-voltage lights. Never used a product like this before, but it worked well, clamped well and shrunk when heated.
K**N
Worked like a charm
awesome value for the price rewired my boat with these, good water proof seal as well
G**G
Best style of connector in my book.
The only style of connector I use for automotive and marine wiring. These are the good ones with glue that squish out when you shrink them.
P**R
Did not get a full count in the package.
I opened the package and counted the pieces twice and found I was short one butt splice. Not giving a five star rating because of this. I did not want to return the package because I was waiting for the splices to complete my project. Not trying to be cheap about this but I paid for 100 pieces. The metal used is very soft and the glue inside shrink tube is hard to see if there is any. It takes more heat to get the tubing to shrink. I don't think I will purchase any more of this brand. I have used USA brand of butt splices and had great results.
Y**N
Recommend
This is my second purchase. Pretty good quality one
E**.
Great waterproof connectors
I love this connectors. They create a good contact and provide a fully waterproof connection, we used them all around our homestead and never had any issues. Keep in mind you will need a crimper and heat gun to make a connection.
T**R
Heavier duty than mist
Best yet on Amz. Heavier duty than most with an effective heat shrink.
M**K
Decent quality
They are made of good heat shrink material.
M**.
Excelente por el precio
Execelente calidad por el precio. Material más grueso que los unidores Chinos que no retienen apropiadamente los cables. La contracción del "termofit" es equiparable a los chinos, y el pegamento térmico es un poco mejor menos líquido pero parece tener mejor adherencia.
T**Y
Parfait pour électricien
Pince pour travail sur fils seulement
J**T
Worth every penny
Great quality
Trustpilot
2 months ago
2 weeks ago