Ancor 312399 Marine Grade™ Heat Shrink Ring Terminals, #10 Fastener, 12-10 Wire, Yellow, 100/Pk
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Ancor 312399 marine grade heat shrink ring terminals are built for secure, low-corrosion connections using #10 fastener hardware and 12–10 AWG wire. Each terminal includes adhesive-lined heat shrink to help seal out moisture and provide strain relief in harsh marine environments.
Key Features
- Marine grade heat shrink ring terminal with adhesive-lined tubing
- Provides a tight, sealed connection to help protect against moisture and corrosion
- Tinned copper construction for maximum current flow and corrosion resistance
- Designed for #10 fastener connections and 12–10 wire range
- Color: Yellow
- Pack size: 100 terminals
Intended Use
- Marine wiring and electrical connections
- Battery and power cable terminations
- General-purpose DC wiring where a ring terminal + sealed heat shrink termination is desired
- Projects requiring a #10 stud/bolt termination and 12–10 AWG cable
Product Details
- Type: Heat Shrink & Adhesive Lined ring terminals
- Ancor Part Number / Model: 312399
- Marisol Marine SKU: 639-312399
- Fastener / Stud Size: #10
- Wire Range: 12–10
- Color: Yellow
- Package Quantity: 100/Pk
- Tube/insulation style: Adhesive lined heat shrink (shrinks to form a tight seal)
- Key construction note: Tinned copper for maximum current flow and corrosion resistance
Parts Desk Insights
Best Use Case: Ideal for marine and off-grid electrical work where you want a crimped ring terminal that’s sealed for strain relief and moisture protection with heat-applied adhesive-lined shrink tubing.
Common Issues: Most connection failures come from insufficient strip length, an under-crimp (poor mechanical bite), or incomplete heat-shrink coverage. Before finalizing, verify the terminal matches your #10 fastener size and that the heat shrink fully seals the wire insulation and transitions cleanly after heating.
Related Products & Accessories
- Browse heat shrink & adhesive lined terminals - Find additional ring terminal sizes and colors for your wiring project.
- Browse wiring & connections accessories - Explore more marine electrical connectors and installation accessories.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.