SKU: CW55441
UPC: 091887316162
MPN: 312525
The Ancor 12-10 Gauge 5/16" Heat Shrink Ring Terminal 25-Pack delivers marine-grade electrical connections that withstand salt water, UV exposure, and harsh offshore conditions. These ring terminals combine a cross-linked polyolefin heat shrink tube with an internal heat-activated adhesive lining, creating a waterproof seal that outperforms standard PVC alternatives. Built for serious boaters, anglers, and marine electricians who demand connections that won't degrade in corrosive environments.
Each terminal accommodates 12-10 gauge wire and fits a 5/16" stud or bolt, making them ideal for battery banks, bilge pump wiring, trolling motor circuits, and navigation system connections. The cross-linked polyolefin tubing is chemically resistant to oil, acids, and saltwater spray—critical for installations exposed to engine compartments or open deck environments. The heat-activated adhesive lining provides both a complete moisture barrier and mechanical strain relief at the connection point, eliminating the common failure mode of corrosion creeping up the wire under the terminal.
Whether rigging a center console for offshore charter fishing, upgrading electrical systems on a sailboat, or maintaining patrol vessel wiring, these nylon-insulated terminals meet the demanding requirements of marine-grade electrical work. The 25-pack quantity provides coverage for multiple circuits on mid-size vessels or serves as stock for marine service contractors. Proper installation requires heating the shrink tubing with a heat gun to activate the adhesive seal and fully protect the connection from environmental exposure.
Heat shrink ring terminals are standard components in marine electrical systems because they combine a secure mechanical connection with environmental sealing in a single integrated package. The Ancor design prioritizes durability in saltwater applications, where standard crimped terminals without shrink protection fail within months of exposure to spray and humidity.
WARNING ⚠️
You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
Purchasing a Firearm? Click HERE to see our firearm purchasing guide.