Projecta BT14H-N1 Terminal Wingnut Marine (Neg)
Features
The Projecta BT14H‑N1 is built with solid brass engineered specifically for battery‑terminal applications where durability and reliability are essential. Its heavy‑duty design provides greater strength and resilience compared with standard terminals, making it suitable for vehicles and equipment with heavier electrical loads or frequent connection cycles. The use of brass not only ensures robust mechanical integrity but also supports excellent electrical performance over long‑term use.
- Post Type - Negative
- Stud Size - 3/8 inch (10mm)
- Terminal Type - Heavy Duty Wingnut
- Brass Cast Construction
- Suitable for Professional & Workshop Use
- Designed & Engineered by Projecta in Australia
- Pack of 1
Secure Negative Connection Design
Designed as a negative (-) terminal, the BT14H‑N1 plays a critical role in completing the electrical circuit of a battery system. Its wingnut‑style tightening mechanism allows for a secure grip on battery posts without the need for specialized tools, enabling both professional mechanics and DIY enthusiasts to install, adjust or remove the terminal quickly and confidently. This user‑friendly connection method ensures reliable negative polarity contact with minimal fuss.
Enhanced Electrical Conductivity
Brass is chosen for its natural ability to conduct electricity while resisting corrosion - key traits for battery terminals exposed to vibration, moisture and varying current demands. The heavy‑duty brass casting of the BT14H‑N1 contributes to consistent electrical flow and a dependable connection, helping to ensure that your vehicle's electrical systems perform at their best without disruption. This makes it a reliable choice for automotive, marine, RV and industrial battery systems alike.
Standard 3/8″ (10 mm) Stud for Broad Compatibility
This terminal is fitted with a 3/8″ (10 mm) stud size, which aligns with larger battery posts found in many cars, 4×4s, boats, and heavy vehicles. The larger stud and heavy‑duty wingnut make it particularly well‑suited to higher‑amp applications or batteries requiring beefier connection points - helping to support greater cable sizes and higher current draws without compromise.
Specifications
Technical Specifications
| Terminal Type | Heavy‑duty wingnut |
|---|---|
| Material | Forged brass |
| Post Type | Negative |
| Stud Size | 3/8″ (10 mm) |
| Cable Connection Style | Wingnut tightening |
| Pack Quantity | 1 piece |
| Brand | Projecta |
|---|---|
| Product Type | More |
Shipping Information
- Free NZ-wide shipping on orders over $299
- Standard delivery 2–5 business days
- Rural delivery may take an additional 1–2 days
- Same-day dispatch for orders placed before 2pm (weekdays)
Returns Policy
- 7-day returns on unused items in original packaging
- Faulty or damaged products covered under warranty
- Contact our support team to initiate a return






