Ancor 310203 Marine Grade™ Heat Shrink Ring Terminals, #8 Fastener, 22-18 Wire, Red, 3/Pk
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Ancor Marine Grade™ heat shrink ring terminals are designed to create a corrosion-resistant, sealed connection that helps protect against moisture and vibration.
Key Features
- Tinned copper construction helps improve current transfer and corrosion resistance
- Adhesive-lined heat shrink tubing shrinks to form a tight seal
- Built for vibration and strain relief on marine electrical connections
- Heat-activated adhesive melts and flows under pressure from shrinking to help resist moisture intrusion
- Color: Red (22–18 AWG)
Intended Use
- Marine wiring and electrical repairs
- Connecting to #8 studs/fasteners for ring terminal terminations
- Boat and RV 12V/24V style wiring where a sealed ring terminal connection is needed
Product Details
- Brand/Series: Ancor Marine Grade™
- Product Type: Heat Shrink & Adhesive Lined
- MFG Part Number: 310203
- Catalog/SKU: 639-310203
- Terminal Type: Heat shrink ring terminal
- Fastener Size: #8
- Wire Range: 22–18 AWG
- Color: Red
- Quantity: 3 per pack
- Barcode: 091887316261
- Additional listing-verified construction points: tinned for corrosion resistance; adhesive-lined heat shrink; corrosion-resisting terminal design
Parts Desk Insights
Best Use Case: Use these sealed ring terminals when you want a mechanically secure #8-stud connection along with heat-shrink adhesive sealing to help protect the crimped connection from moisture and vibration.
Common Issues: If the connection isn’t fully sealed after shrinking, it’s typically due to insufficient heat, the sleeve not reaching the correct shrink temperature, or the crimp being undersized/loose on the wire. Also double-check wire gauge (22–18 AWG) and that the ring terminal matches the #8 fastener size before crimping.
Related Products & Accessories
- Heat Shrink & Adhesive Lined - Browse more sealed heat shrink terminals and connectors for additional wire sizes and fastener types.
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.