4mm Bullet Terminal Car Wire Connectors – Male & Female Sets
4mm Bullet Terminal Car Wire Connectors – Male & Female Sets
Details
4mm Bullet Terminal Car Electrical Wire Connectors – Male & Female Sets
Keep your vehicle's wiring tidy, secure, and reliable with these 4.0mm bullet terminal connectors. Designed for automotive, truck, and car audio applications, each set includes a male and female connector with a transparent insulation sheath for a clean, insulated finish. The tin-plated copper construction ensures excellent conductivity and long-lasting corrosion resistance — perfect for any 12V wiring project.
Key Features
- Secure Bullet Connection: 4.0mm diameter male & female bullet terminals for a firm, vibration-resistant fit
- Tin-Plated Copper: Superior conductivity with corrosion-resistant coating for long-term durability
- Waterproof Insulation Sheath: Transparent protective sleeve keeps connections safe from moisture and short circuits
- Wide Wire Compatibility: Accepts wire gauges from 0.5 to 2.5 square mm — suitable for most automotive wiring
- Easy Installation: Simple crimp-and-insert design — no special tools required
- Bulk Value Packs: Available in 10, 20, or 50 set quantities for DIY projects, repairs, or professional use
Specifications
| Connector Diameter | 4.0mm |
| Material | Copper (Tin Plated) |
| Thickness | 0.3mm |
| Insulation Sheath Color | Transparent |
| Compatible Wire Size | 0.5 – 2.5 mm² |
| Type | Splice / Bullet Terminal (Male + Female) |
| Pack Options | 10 Sets / 20 Sets / 50 Sets |
| Country of Origin | Made in China |
What's in the Package
Your chosen quantity of complete male + female bullet terminal connector sets with transparent insulation sheaths (10, 20, or 50 sets as selected).
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Frequently Asked Questions
Q: What wire sizes are compatible with these 4mm bullet terminal connectors?
A: These 4.0mm bullet terminal connectors are compatible with wire sizes ranging from 0.5 to 2.5 square millimeters (mm²), covering most standard automotive and car audio wiring applications.
Q: Are these bullet connectors waterproof?
A: Yes — each connector comes with a transparent insulation sheath that provides moisture protection, helping to prevent corrosion and short circuits in automotive environments.
Q: How many connectors come in each set?
A: Each set includes one male and one female 4.0mm bullet terminal connector with insulation sheaths. You can select a pack of 10, 20, or 50 sets depending on your project needs.
Q: Do I need special tools to install these connectors?
A: No special tools are required for basic installation. A standard wire crimping tool is recommended for a secure crimp connection, but the connectors are designed for straightforward DIY installation.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.
Materials + Care
We prioritize quality in selecting the materials for our items, choosing premium fabrics and finishings that ensure durability, comfort, and timeless appeal.
Shipping + Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.