Ancor 312203 Marine Grade™ Heat Shrink Ring Terminals, #8 Fastener, 12-10 Wire, Yellow, 3/Pk
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Create a cleaner, more reliable electrical connection with Ancor Marine Grade™ adhesive-lined heat shrink ring terminals. Designed for #8 fasteners with 12-10 AWG wire and sealed under heat-activated adhesive to help protect against harsh marine conditions.
Key Features
- Marine Grade™ ring terminal for #8 fasteners
- 12-10 AWG wire range
- Yellow insulated heat shrink barrel
- Adhesive lined heat shrink tubing shrinks to form a tight seal
- Helps provide vibration and strain relief for crimped connections
Intended Use
- Marine electrical wiring and battery/ground terminations
- Crimp-and-seal connections where moisture and corrosion protection are important
- General boat wiring, panels, and accessory circuits (12-10 AWG with #8 fastener ring terminals)
Product Details
- Brand/Series: Ancor Marine Grade™
- Product Type: Heat Shrink & Adhesive Lined
- Terminal Style: Ring Terminal
- Fastener Size: #8
- Wire Size: 12-10
- Color: Yellow
- Quantity: 3/Pk
- SKU: 639-312203
- Barcode: 091887316025
- Weight (variant): 9 grams
- Material note (from provided description): tinned copper for maximum current flow and corrosion resistance
- Seal/insulation note (from provided description): adhesive lined heat shrink tubing shrinks to form a tight seal
Parts Desk Insights
Best Use Case: Best for ring-terminal terminations on marine wiring where you want a crimp connection plus an adhesive-lined heat shrink seal for added protection and strain relief.
Common Issues: Common problems are mismatched wire gauge to the terminal’s wire range and under/over-heating the shrink tubing. If the seal doesn’t fully collapse around the barrel and wire, moisture can work into the connection—heat until the tubing has fully shrunk and the adhesive has formed a proper seal at the ends.
Related Products & Accessories
- Browse Heat Shrink & Adhesive Lined terminals - Shop the same connector family for additional ring sizes and wire gauges.
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.