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300Pcs Heat Shrink Butt Connectors & Wire Nuts Assortment Kit - Waterproof Electrical Crimp Wire Connectors, Insulated Butt Splice Terminals & Twist-On Wire Caps for Automotive Marine Wiring

300Pcs Heat Shrink Butt Connectors & Wire Nuts Assortment Kit - Waterproof Electrical Crimp Wire Connectors, Insulated Butt Splice Terminals & Twist-On Wire Caps for Automotive Marine Wiring

$31.52 USD
$31.52 USD
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About this item

  • 【Complete 300 Pcs Combo Kit】 This electrical wire connectors set contains 192 heat shrink butt connectors (84 Red 22-16 AWG, 60 Blue 16-14 AWG, 48 Yellow 12-10 AWG) and 108 wire nuts in 5 sizes (32 Gray, 36 Blue, 16 Orange, 12 Yellow, 12 Red). The assortment includes small wire nuts suited for thin wires. This all-in-one wire connector kit combines heat shrink and twist-on wire connectors, satisfying diverse demands of professional electrical wiring work.
  • 【Premium Heat Shrink Wire Connectors】 Our heat shrink butt connectors adopt seamless thick tinned copper barrels with great corrosion resistance. They firmly lock wires after crimping, offering high conductivity and low voltage drop. These waterproof wire connectors feature 3:1 shrink ratio dual-wall adhesive-lined tubes that form watertight and flame-retardant seals, making them ideal butt splice connectors for harsh conditions.
  • 【Durable Twist-On Wire Nuts】 These wire caps are made of reinforced nylon housing and galvanized steel springs. These electric wire connectors boast outstanding insulation, high temperature resistance and anti-aging properties. The screw wire connectors grip tightly and withstand vibration, and can be reused over 50 times without weakening clamping strength—perfect for electrical wiring that may need future changes.
  • 【Safe & Versatile Electrical Connections】 Both connector types prioritize safety. The heat shrink connectors form a waterproof and flame-retardant insulation layer, suitable for environments requiring waterproof and corrosion protection, as well as underground burial. The wire nuts are designed for conventional circuit wiring, featuring rust-proof high-tension springs that prevent wires from loosening, making them quick and convenient to use. This electrical connectors kit offers more comprehensive functionality, effectively eliminating poor contact and ensuring stable, reliable connections.
  • 【Broad Compatibility & Easy to Use】 It fits automotive, marine and 12V wiring systems, widely used for boats, trailers, car audio, industrial facilities and household DIY electrical maintenance. Installation is effortless: crimp the butt connectors with a wire crimper and apply heat; for wire nuts, just strip wire insulation, twist cores together and tighten the caps. A time-saving wire connectors kit friendly for both professional workers and amateur users.

Overview

  • Color: Red, Blue, Yellow, Gray
  • Connector Type: Crimp, Twist
  • Contact Material: Brass
  • Insulation Material: Polyolefin
  • Terminal: Butt Terminal

Low stock: 10 left

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Reviews

  • ⭐⭐⭐⭐⭐

    Hannah Miller — Seattle, Washington
    I ordered several science activity supplies for projects at home. The product descriptions made it easier to compare the available options, and everything fit neatly into our learning space. Stemora made finding tools for hands-on activities feel simple and organized.

  • ⭐⭐⭐⭐⭐

    Daniel Foster — Austin, Texas
    I found a useful selection of electronics and robotics accessories for a beginner project. It was convenient to browse related components in clearly organized categories. I would consider shopping here again when planning another maker activity.

  • ⭐⭐⭐⭐⭐

    Lauren Bennett — Denver, Colorado
    The measurement and observation tools I selected worked well for the classroom activities I had planned. I especially appreciated being able to review the product details before ordering and choose items that matched the lesson requirements.

  • ⭐⭐⭐⭐⭐

    Jason Parker — Portland, Oregon
    I purchased a few storage items and small tools for organizing my maker workspace. The products helped keep components, wires, and project materials easier to sort and access. The overall shopping experience was straightforward and convenient.

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FAQ

What types of products does Stemora offer?


Stemora offers supplies for science experiments, microscopy, biology learning, measurement, laboratory organization, electronics, robotics, coding education, 3D printing, maker projects, and classroom activities. Available products and specifications may change over time.

Are Stemora products suitable for children?


Recommended ages vary by product. Please review the product description, manufacturer guidance, included warnings, and required skill level before purchasing. Products containing small parts, tools, electrical components, glass, or chemicals may not be suitable for young children.

Is adult supervision required?


Adult supervision is recommended for children and students, especially when using electrical components, sharp tools, heated equipment, glassware, small parts, or experiment materials. Customers are responsible for following all product instructions and safety precautions.

Can these products be used at home and in classrooms?


Many products may be suitable for classrooms, home learning, science projects, maker spaces, and hobby activities. Suitability depends on the specific product, learning environment, user experience, and intended activity.

How can I check what is included with a product?


Please review the product title, description, specifications, images, package quantity, and included-components section before ordering. Items shown for demonstration or scale in product images may not always be included.

How do I know whether an electronic or robotics part is compatible?


Check the listed dimensions, voltage, connector type, board compatibility, operating requirements, and supported platforms. Compatibility is not guaranteed unless it is specifically stated on the product page. Contact us before ordering if you need clarification.

When will I receive tracking information?


Tracking information is generally provided within 3–5 business days after an order is confirmed. In some cases, processing may take approximately 7–8 business days. Delivery may require an additional 4–5 business days after tracking becomes available, depending on the carrier and destination.

Why did my order arrive in separate packages?


Products in the same order may be shipped from different fulfillment locations. As a result, items may arrive separately and have different tracking numbers. You will not be charged additional shipping fees solely because an order is divided into multiple packages.

Can I change or cancel my order?


Contact us as soon as possible at vaioamaonaoak@gmail.com. We will try to assist, but changes or cancellations cannot be guaranteed once an order has entered processing or has been shipped.

What should I do if an item arrives damaged, defective, or incorrect?


Contact us promptly at vaioamaonaoak@gmail.com with your order number, a description of the issue, and clear photographs of the item, packaging, and shipping label. Please retain the product and original packaging while we review your request. Eligibility and available resolutions are subject to our Return & Refund Policy.

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