--- product_id: 364419314 title: "haisstronica 50PCS Yellow Heat Shrink Butt Connectors AWG12-10,Marine Grade Waterproof Heat Shrink Wire Connectors,Tinned Red Copper 1mm,Insulated Crimp Butt Splice Electrical Connectors" brand: "haisstronica" price: "$23.39" currency: USD in_stock: true reviews_count: 8 url: https://www.desertcart.us/products/364419314-haisstronica-50pcs-yellow-heat-shrink-butt-connectors-awg12-10-marine store_origin: US region: United States of America --- # Tinned copper core for superior conductivity Marine-grade waterproof seal 50PCS bulk pack for high-demand projects haisstronica 50PCS Yellow Heat Shrink Butt Connectors AWG12-10,Marine Grade Waterproof Heat Shrink Wire Connectors,Tinned Red Copper 1mm,Insulated Crimp Butt Splice Electrical Connectors **Brand:** haisstronica **Price:** $23.39 **Availability:** ✅ In Stock ## Summary > 🔧 Connect with confidence—where durability meets precision. ## Quick Answers - **What is this?** haisstronica 50PCS Yellow Heat Shrink Butt Connectors AWG12-10,Marine Grade Waterproof Heat Shrink Wire Connectors,Tinned Red Copper 1mm,Insulated Crimp Butt Splice Electrical Connectors by haisstronica - **How much does it cost?** $23.39 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/364419314-haisstronica-50pcs-yellow-heat-shrink-butt-connectors-awg12-10-marine) ## Best For - haisstronica enthusiasts ## Why This Product - Trusted haisstronica brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Bulk Power Pack:** 50 connectors ready to fuel your high-volume electrical projects without pause. - • **Superior Copper Core:** Thicker tinned copper core ensures optimal conductivity and long-lasting, safe connections. - • **Marine-Grade Waterproof:** Seamlessly protect your connections from water, salt, and corrosion—ideal for automotive and watercraft pros. - • **Durable Heat Shrink Tubing:** Translucent, high-tensile tubing with hot melt adhesive guarantees a secure, slip-proof, and stretch-resistant seal every time. - • **Certified Quality Assurance:** ROHS, ISO 9001:2008, SGS, and CE certified for peace of mind and professional-grade reliability. ## Overview The Haisstronica 50PCS Yellow Heat Shrink Butt Connectors (AWG12-10) offer a professional-grade solution with marine-grade waterproofing, a thick tinned copper core for enhanced conductivity, and certified quality standards (ROHS, ISO 9001:2008, SGS, CE). Designed for automotive, marine, and electrical applications, these connectors feature durable heat shrink tubing with hot melt adhesive to ensure secure, long-lasting, and slip-resistant wire connections. ## Description Full description not available ## Features - Great Value:The package includes 50PCS Yellow(12-10) heat shrink butt connectors. It is an ideal choice for factories, enterprises, schools, or stores where butt connectors are used frequently. Haisstronica waterproof wire connectors comply with ROHS, ISO 9001:2008, SGS, and CE standards - Application Areas:Wide range of applications in areas such as automotive,watercraft, electrical,and electronics industries - Compliant With All Relevant Standards:Haisstronica waterproof wire connectors are compliant with ROHS, ISO 9001:2008, SGS, and CE standards - High-Quality Copper Core:Heat shrink butt connectors use a copper core with a higher thickness rating.This makes your connection project safer and better meets our customers’quality needs - High-Quality Heat Shrink:Translucent heat shrink tubing provides high tensile strength and resistance to stretch and minimize mechanical damage.The thick barrel ensures a strong crimp every time.The inner wall of the heat-shrinkable tube has enough hot melt adhesive to ensure waterproof performance reliability.Your wire will never slip out of these heat shrink wire connectors ## Product Details - **Color:** Yellow - **Connector Type:** Butt Splice, Crimp - **Contact Material:** Copper - **Insulation Material:** Polyolefin - **Terminal:** Butt Terminal ## Images ![haisstronica 50PCS Yellow Heat Shrink Butt Connectors AWG12-10,Marine Grade Waterproof Heat Shrink Wire Connectors,Tinned Red Copper 1mm,Insulated Crimp Butt Splice Electrical Connectors - Image 1](https://m.media-amazon.com/images/I/71wuAa4k6FL.jpg) ![haisstronica 50PCS Yellow Heat Shrink Butt Connectors AWG12-10,Marine Grade Waterproof Heat Shrink Wire Connectors,Tinned Red Copper 1mm,Insulated Crimp Butt Splice Electrical Connectors - Image 2](https://m.media-amazon.com/images/I/81F-RZrTJLL.jpg) ![haisstronica 50PCS Yellow Heat Shrink Butt Connectors AWG12-10,Marine Grade Waterproof Heat Shrink Wire Connectors,Tinned Red Copper 1mm,Insulated Crimp Butt Splice Electrical Connectors - Image 3](https://m.media-amazon.com/images/I/71iFuRKzuVL.jpg) ![haisstronica 50PCS Yellow Heat Shrink Butt Connectors AWG12-10,Marine Grade Waterproof Heat Shrink Wire Connectors,Tinned Red Copper 1mm,Insulated Crimp Butt Splice Electrical Connectors - Image 4](https://m.media-amazon.com/images/I/71iwmOTonoL.jpg) ![haisstronica 50PCS Yellow Heat Shrink Butt Connectors AWG12-10,Marine Grade Waterproof Heat Shrink Wire Connectors,Tinned Red Copper 1mm,Insulated Crimp Butt Splice Electrical Connectors - Image 5](https://m.media-amazon.com/images/I/71VuYIGObzS.jpg) ## Available Options This product comes in different **Color, Size, Number Of Items** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Worked Great *by S***R on August 19, 2025* Good quality, strong heat shrink. Great price. Would buy again. ### ⭐⭐⭐⭐⭐ they work great *by J***N on July 30, 2025* good terminals ,shrink to water tight ### ⭐⭐⭐⭐⭐ Good product *by A***2 on September 1, 2025* The connector worked as expected in a hard to find size. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/364419314-haisstronica-50pcs-yellow-heat-shrink-butt-connectors-awg12-10-marine](https://www.desertcart.us/products/364419314-haisstronica-50pcs-yellow-heat-shrink-butt-connectors-awg12-10-marine) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-13*